Finding the Third Proportional to 11,309 and 25,398

Step by Step Solution

1. Step 1: Write the proportion equation
   11,309 : 25,398 = 25,398 : x
2. Step 2: Convert to fraction form
   11,309/25,398 = 25,398/x
3. Step 3: Cross multiply
   11,309x = 25,398 × 25,398
4. Step 4: Simplify right side
   11,309x = 645,058,404
5. Step 5: Solve for x
   x = 645,058,404/11,309
6. Step 6: Final answer
   x = 57,039.38