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Finding the Third Proportional to 660,978,107.75 and 999,968,245.25

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Solution

The third proportional to 660,978,107.75 and 999,968,245.25 is: 1,512,813,328.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,978,107.75 : 999,968,245.25 = 999,968,245.25 : x
  2. Step 2: Convert to fraction form
    660,978,107.75/999,968,245.25 = 999,968,245.25/x
  3. Step 3: Cross multiply
    660,978,107.75x = 999,968,245.25 × 999,968,245.25
  4. Step 4: Simplify right side
    660,978,107.75x = 999,936,491,508,364,160
  5. Step 5: Solve for x
    x = 999,936,491,508,364,160/660,978,107.75
  6. Step 6: Final answer
    x = 1,512,813,328.89

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