Finding the Third Proportional to 63,792 and 87,516

Step by Step Solution

1. Step 1: Write the proportion equation
   63,792 : 87,516 = 87,516 : x
2. Step 2: Convert to fraction form
   63,792/87,516 = 87,516/x
3. Step 3: Cross multiply
   63,792x = 87,516 × 87,516
4. Step 4: Simplify right side
   63,792x = 7,659,050,256
5. Step 5: Solve for x
   x = 7,659,050,256/63,792
6. Step 6: Final answer
   x = 120,062.86