Finding the Third Proportional to 87,384 and 131,792

Step by Step Solution

1. Step 1: Write the proportion equation
   87,384 : 131,792 = 131,792 : x
2. Step 2: Convert to fraction form
   87,384/131,792 = 131,792/x
3. Step 3: Cross multiply
   87,384x = 131,792 × 131,792
4. Step 4: Simplify right side
   87,384x = 17,369,131,264
5. Step 5: Solve for x
   x = 17,369,131,264/87,384
6. Step 6: Final answer
   x = 198,767.87