Finding the Third Proportional to 60,398 and 88,516

Step by Step Solution

1. Step 1: Write the proportion equation
   60,398 : 88,516 = 88,516 : x
2. Step 2: Convert to fraction form
   60,398/88,516 = 88,516/x
3. Step 3: Cross multiply
   60,398x = 88,516 × 88,516
4. Step 4: Simplify right side
   60,398x = 7,835,082,256
5. Step 5: Solve for x
   x = 7,835,082,256/60,398
6. Step 6: Final answer
   x = 129,724.20