Finding the Third Proportional to 16,609 and 25,400

Step by Step Solution

1. Step 1: Write the proportion equation
   16,609 : 25,400 = 25,400 : x
2. Step 2: Convert to fraction form
   16,609/25,400 = 25,400/x
3. Step 3: Cross multiply
   16,609x = 25,400 × 25,400
4. Step 4: Simplify right side
   16,609x = 645,160,000
5. Step 5: Solve for x
   x = 645,160,000/16,609
6. Step 6: Final answer
   x = 38,844.00