Finding the Third Proportional to 25,608 and 55,440

Step by Step Solution

1. Step 1: Write the proportion equation
   25,608 : 55,440 = 55,440 : x
2. Step 2: Convert to fraction form
   25,608/55,440 = 55,440/x
3. Step 3: Cross multiply
   25,608x = 55,440 × 55,440
4. Step 4: Simplify right side
   25,608x = 3,073,593,600
5. Step 5: Solve for x
   x = 3,073,593,600/25,608
6. Step 6: Final answer
   x = 120,024.74