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Finding the Third Proportional to 119,800,978 and 171,198,369

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Solution

The third proportional to 119,800,978 and 171,198,369 is: 244,646,429.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,800,978 : 171,198,369 = 171,198,369 : x
  2. Step 2: Convert to fraction form
    119,800,978/171,198,369 = 171,198,369/x
  3. Step 3: Cross multiply
    119,800,978x = 171,198,369 × 171,198,369
  4. Step 4: Simplify right side
    119,800,978x = 29,308,881,548,260,160
  5. Step 5: Solve for x
    x = 29,308,881,548,260,160/119,800,978
  6. Step 6: Final answer
    x = 244,646,429.75

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