Finding the Third Proportional to 82,006.31 and 133,909.88

Step by Step Solution

1. Step 1: Write the proportion equation
   82,006.31 : 133,909.88 = 133,909.88 : x
2. Step 2: Convert to fraction form
   82,006.31/133,909.88 = 133,909.88/x
3. Step 3: Cross multiply
   82,006.31x = 133,909.88 × 133,909.88
4. Step 4: Simplify right side
   82,006.31x = 17,931,854,622.52
5. Step 5: Solve for x
   x = 17,931,854,622.52/82,006.31
6. Step 6: Final answer
   x = 218,664.32