Finding the Third Proportional to 11,570 and 25,728

Step by Step Solution

1. Step 1: Write the proportion equation
   11,570 : 25,728 = 25,728 : x
2. Step 2: Convert to fraction form
   11,570/25,728 = 25,728/x
3. Step 3: Cross multiply
   11,570x = 25,728 × 25,728
4. Step 4: Simplify right side
   11,570x = 661,929,984
5. Step 5: Solve for x
   x = 661,929,984/11,570
6. Step 6: Final answer
   x = 57,210.89