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Finding the Third Proportional to 338,978.53 and 729,847.48

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Solution

The third proportional to 338,978.53 and 729,847.48 is: 1,571,419.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,978.53 : 729,847.48 = 729,847.48 : x
  2. Step 2: Convert to fraction form
    338,978.53/729,847.48 = 729,847.48/x
  3. Step 3: Cross multiply
    338,978.53x = 729,847.48 × 729,847.48
  4. Step 4: Simplify right side
    338,978.53x = 532,677,341,249.69
  5. Step 5: Solve for x
    x = 532,677,341,249.69/338,978.53
  6. Step 6: Final answer
    x = 1,571,419.13

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