Finding the Third Proportional to 17,621 and 25,689

Step by Step Solution

1. Step 1: Write the proportion equation
   17,621 : 25,689 = 25,689 : x
2. Step 2: Convert to fraction form
   17,621/25,689 = 25,689/x
3. Step 3: Cross multiply
   17,621x = 25,689 × 25,689
4. Step 4: Simplify right side
   17,621x = 659,924,721
5. Step 5: Solve for x
   x = 659,924,721/17,621
6. Step 6: Final answer
   x = 37,451.04