Finding the Third Proportional to 85,469 and 132,685

Step by Step Solution

1. Step 1: Write the proportion equation
   85,469 : 132,685 = 132,685 : x
2. Step 2: Convert to fraction form
   85,469/132,685 = 132,685/x
3. Step 3: Cross multiply
   85,469x = 132,685 × 132,685
4. Step 4: Simplify right side
   85,469x = 17,605,309,225
5. Step 5: Solve for x
   x = 17,605,309,225/85,469
6. Step 6: Final answer
   x = 205,984.73