Finding the Third Proportional to 88,462.13 and 137,158.31

Step by Step Solution

1. Step 1: Write the proportion equation
   88,462.13 : 137,158.31 = 137,158.31 : x
2. Step 2: Convert to fraction form
   88,462.13/137,158.31 = 137,158.31/x
3. Step 3: Cross multiply
   88,462.13x = 137,158.31 × 137,158.31
4. Step 4: Simplify right side
   88,462.13x = 18,812,402,687.85
5. Step 5: Solve for x
   x = 18,812,402,687.85/88,462.13
6. Step 6: Final answer
   x = 212,660.53