Finding the Third Proportional to 34,480 and 55,320

Step by Step Solution

1. Step 1: Write the proportion equation
   34,480 : 55,320 = 55,320 : x
2. Step 2: Convert to fraction form
   34,480/55,320 = 55,320/x
3. Step 3: Cross multiply
   34,480x = 55,320 × 55,320
4. Step 4: Simplify right side
   34,480x = 3,060,302,400
5. Step 5: Solve for x
   x = 3,060,302,400/34,480
6. Step 6: Final answer
   x = 88,755.87