Finding the Third Proportional to 85,471.50 and 132,687

Step by Step Solution

1. Step 1: Write the proportion equation
   85,471.50 : 132,687 = 132,687 : x
2. Step 2: Convert to fraction form
   85,471.50/132,687 = 132,687/x
3. Step 3: Cross multiply
   85,471.50x = 132,687 × 132,687
4. Step 4: Simplify right side
   85,471.50x = 17,605,839,969
5. Step 5: Solve for x
   x = 17,605,839,969/85,471.50
6. Step 6: Final answer
   x = 205,984.92