Finding the Third Proportional to 82,155.50 and 132,269

Step by Step Solution

1. Step 1: Write the proportion equation
   82,155.50 : 132,269 = 132,269 : x
2. Step 2: Convert to fraction form
   82,155.50/132,269 = 132,269/x
3. Step 3: Cross multiply
   82,155.50x = 132,269 × 132,269
4. Step 4: Simplify right side
   82,155.50x = 17,495,088,361
5. Step 5: Solve for x
   x = 17,495,088,361/82,155.50
6. Step 6: Final answer
   x = 212,950.91