Finding the Third Proportional to 25,428 and 59,059

Step by Step Solution

1. Step 1: Write the proportion equation
   25,428 : 59,059 = 59,059 : x
2. Step 2: Convert to fraction form
   25,428/59,059 = 59,059/x
3. Step 3: Cross multiply
   25,428x = 59,059 × 59,059
4. Step 4: Simplify right side
   25,428x = 3,487,965,481
5. Step 5: Solve for x
   x = 3,487,965,481/25,428
6. Step 6: Final answer
   x = 137,170.26