Finding the Third Proportional to 60,480 and 88,608

Step by Step Solution

1. Step 1: Write the proportion equation
   60,480 : 88,608 = 88,608 : x
2. Step 2: Convert to fraction form
   60,480/88,608 = 88,608/x
3. Step 3: Cross multiply
   60,480x = 88,608 × 88,608
4. Step 4: Simplify right side
   60,480x = 7,851,377,664
5. Step 5: Solve for x
   x = 7,851,377,664/60,480
6. Step 6: Final answer
   x = 129,817.75