Finding the Third Proportional to 10,816 and 25,398

Step by Step Solution

1. Step 1: Write the proportion equation
   10,816 : 25,398 = 25,398 : x
2. Step 2: Convert to fraction form
   10,816/25,398 = 25,398/x
3. Step 3: Cross multiply
   10,816x = 25,398 × 25,398
4. Step 4: Simplify right side
   10,816x = 645,058,404
5. Step 5: Solve for x
   x = 645,058,404/10,816
6. Step 6: Final answer
   x = 59,639.28