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Finding the Third Proportional to 86,859.75 and 137,650.13

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Solution

The third proportional to 86,859.75 and 137,650.13 is: 218,139.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,859.75 : 137,650.13 = 137,650.13 : x
  2. Step 2: Convert to fraction form
    86,859.75/137,650.13 = 137,650.13/x
  3. Step 3: Cross multiply
    86,859.75x = 137,650.13 × 137,650.13
  4. Step 4: Simplify right side
    86,859.75x = 18,947,556,912.52
  5. Step 5: Solve for x
    x = 18,947,556,912.52/86,859.75
  6. Step 6: Final answer
    x = 218,139.67

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