Finding the Third Proportional to 25,728 and 56,392

Step by Step Solution

1. Step 1: Write the proportion equation
   25,728 : 56,392 = 56,392 : x
2. Step 2: Convert to fraction form
   25,728/56,392 = 56,392/x
3. Step 3: Cross multiply
   25,728x = 56,392 × 56,392
4. Step 4: Simplify right side
   25,728x = 3,180,057,664
5. Step 5: Solve for x
   x = 3,180,057,664/25,728
6. Step 6: Final answer
   x = 123,602.99