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Finding the Third Proportional to 660,978,105.19 and 999,968,241.09

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Solution

The third proportional to 660,978,105.19 and 999,968,241.09 is: 1,512,813,322.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,978,105.19 : 999,968,241.09 = 999,968,241.09 : x
  2. Step 2: Convert to fraction form
    660,978,105.19/999,968,241.09 = 999,968,241.09/x
  3. Step 3: Cross multiply
    660,978,105.19x = 999,968,241.09 × 999,968,241.09
  4. Step 4: Simplify right side
    660,978,105.19x = 999,936,483,196,128,128
  5. Step 5: Solve for x
    x = 999,936,483,196,128,128/660,978,105.19
  6. Step 6: Final answer
    x = 1,512,813,322.18

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