Finding the Third Proportional to 85,423.50 and 131,481

Step by Step Solution

1. Step 1: Write the proportion equation
   85,423.50 : 131,481 = 131,481 : x
2. Step 2: Convert to fraction form
   85,423.50/131,481 = 131,481/x
3. Step 3: Cross multiply
   85,423.50x = 131,481 × 131,481
4. Step 4: Simplify right side
   85,423.50x = 17,287,253,361
5. Step 5: Solve for x
   x = 17,287,253,361/85,423.50
6. Step 6: Final answer
   x = 202,371.17