Finding the Third Proportional to 62,341.31 and 129,117.38

Step by Step Solution

1. Step 1: Write the proportion equation
   62,341.31 : 129,117.38 = 129,117.38 : x
2. Step 2: Convert to fraction form
   62,341.31/129,117.38 = 129,117.38/x
3. Step 3: Cross multiply
   62,341.31x = 129,117.38 × 129,117.38
4. Step 4: Simplify right side
   62,341.31x = 16,671,296,526.89
5. Step 5: Solve for x
   x = 16,671,296,526.89/62,341.31
6. Step 6: Final answer
   x = 267,419.72