Finding the Third Proportional to 25,440 and 56,320

Step by Step Solution

1. Step 1: Write the proportion equation
   25,440 : 56,320 = 56,320 : x
2. Step 2: Convert to fraction form
   25,440/56,320 = 56,320/x
3. Step 3: Cross multiply
   25,440x = 56,320 × 56,320
4. Step 4: Simplify right side
   25,440x = 3,171,942,400
5. Step 5: Solve for x
   x = 3,171,942,400/25,440
6. Step 6: Final answer
   x = 124,683.27