Finding the Third Proportional to 23,139 and 25,569

Step by Step Solution

1. Step 1: Write the proportion equation
   23,139 : 25,569 = 25,569 : x
2. Step 2: Convert to fraction form
   23,139/25,569 = 25,569/x
3. Step 3: Cross multiply
   23,139x = 25,569 × 25,569
4. Step 4: Simplify right side
   23,139x = 653,773,761
5. Step 5: Solve for x
   x = 653,773,761/23,139
6. Step 6: Final answer
   x = 28,254.19