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Finding the Third Proportional to 431,755.31 and 677,263.78

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Solution

The third proportional to 431,755.31 and 677,263.78 is: 1,062,375.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,755.31 : 677,263.78 = 677,263.78 : x
  2. Step 2: Convert to fraction form
    431,755.31/677,263.78 = 677,263.78/x
  3. Step 3: Cross multiply
    431,755.31x = 677,263.78 × 677,263.78
  4. Step 4: Simplify right side
    431,755.31x = 458,686,229,393.05
  5. Step 5: Solve for x
    x = 458,686,229,393.05/431,755.31
  6. Step 6: Final answer
    x = 1,062,375.42

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