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Finding the Third Proportional to 459,613,419 and 687,791,691

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Solution

The third proportional to 459,613,419 and 687,791,691 is: 1,029,250,649.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,613,419 : 687,791,691 = 687,791,691 : x
  2. Step 2: Convert to fraction form
    459,613,419/687,791,691 = 687,791,691/x
  3. Step 3: Cross multiply
    459,613,419x = 687,791,691 × 687,791,691
  4. Step 4: Simplify right side
    459,613,419x = 473,057,410,208,639,488
  5. Step 5: Solve for x
    x = 473,057,410,208,639,488/459,613,419
  6. Step 6: Final answer
    x = 1,029,250,649.90

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