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Finding the Third Proportional to 54,488.25 and 81,786.75

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Solution

The third proportional to 54,488.25 and 81,786.75 is: 122,761.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,488.25 : 81,786.75 = 81,786.75 : x
  2. Step 2: Convert to fraction form
    54,488.25/81,786.75 = 81,786.75/x
  3. Step 3: Cross multiply
    54,488.25x = 81,786.75 × 81,786.75
  4. Step 4: Simplify right side
    54,488.25x = 6,689,072,475.56
  5. Step 5: Solve for x
    x = 6,689,072,475.56/54,488.25
  6. Step 6: Final answer
    x = 122,761.74

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