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Finding the Third Proportional to 218,764.97 and 328,151.25

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Solution

The third proportional to 218,764.97 and 328,151.25 is: 492,232.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,764.97 : 328,151.25 = 328,151.25 : x
  2. Step 2: Convert to fraction form
    218,764.97/328,151.25 = 328,151.25/x
  3. Step 3: Cross multiply
    218,764.97x = 328,151.25 × 328,151.25
  4. Step 4: Simplify right side
    218,764.97x = 107,683,242,876.56
  5. Step 5: Solve for x
    x = 107,683,242,876.56/218,764.97
  6. Step 6: Final answer
    x = 492,232.57

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