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Finding the Third Proportional to 8,736,978 and 13,675,880

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Solution

The third proportional to 8,736,978 and 13,675,880 is: 21,406,680.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,736,978 : 13,675,880 = 13,675,880 : x
  2. Step 2: Convert to fraction form
    8,736,978/13,675,880 = 13,675,880/x
  3. Step 3: Cross multiply
    8,736,978x = 13,675,880 × 13,675,880
  4. Step 4: Simplify right side
    8,736,978x = 187,029,693,774,400
  5. Step 5: Solve for x
    x = 187,029,693,774,400/8,736,978
  6. Step 6: Final answer
    x = 21,406,680.18

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