Finding the Third Proportional to 10,860 and 25,728

Step by Step Solution

1. Step 1: Write the proportion equation
   10,860 : 25,728 = 25,728 : x
2. Step 2: Convert to fraction form
   10,860/25,728 = 25,728/x
3. Step 3: Cross multiply
   10,860x = 25,728 × 25,728
4. Step 4: Simplify right side
   10,860x = 661,929,984
5. Step 5: Solve for x
   x = 661,929,984/10,860
6. Step 6: Final answer
   x = 60,951.20