Finding the Third Proportional to 25,428 and 59,398

Step by Step Solution

1. Step 1: Write the proportion equation
   25,428 : 59,398 = 59,398 : x
2. Step 2: Convert to fraction form
   25,428/59,398 = 59,398/x
3. Step 3: Cross multiply
   25,428x = 59,398 × 59,398
4. Step 4: Simplify right side
   25,428x = 3,528,122,404
5. Step 5: Solve for x
   x = 3,528,122,404/25,428
6. Step 6: Final answer
   x = 138,749.50