Finding the Third Proportional to 87,320 and 133,516

Step by Step Solution

1. Step 1: Write the proportion equation
   87,320 : 133,516 = 133,516 : x
2. Step 2: Convert to fraction form
   87,320/133,516 = 133,516/x
3. Step 3: Cross multiply
   87,320x = 133,516 × 133,516
4. Step 4: Simplify right side
   87,320x = 17,826,522,256
5. Step 5: Solve for x
   x = 17,826,522,256/87,320
6. Step 6: Final answer
   x = 204,151.65