Finding the Third Proportional to 17,170 and 25,839

Step by Step Solution

1. Step 1: Write the proportion equation
   17,170 : 25,839 = 25,839 : x
2. Step 2: Convert to fraction form
   17,170/25,839 = 25,839/x
3. Step 3: Cross multiply
   17,170x = 25,839 × 25,839
4. Step 4: Simplify right side
   17,170x = 667,653,921
5. Step 5: Solve for x
   x = 667,653,921/17,170
6. Step 6: Final answer
   x = 38,884.91