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Finding the Third Proportional to 117,979.88 and 255,642.75

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Solution

The third proportional to 117,979.88 and 255,642.75 is: 553,935.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,979.88 : 255,642.75 = 255,642.75 : x
  2. Step 2: Convert to fraction form
    117,979.88/255,642.75 = 255,642.75/x
  3. Step 3: Cross multiply
    117,979.88x = 255,642.75 × 255,642.75
  4. Step 4: Simplify right side
    117,979.88x = 65,353,215,627.56
  5. Step 5: Solve for x
    x = 65,353,215,627.56/117,979.88
  6. Step 6: Final answer
    x = 553,935.28

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