Finding the Third Proportional to 16,724 and 25,909.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,724 : 25,909.50 = 25,909.50 : x
2. Step 2: Convert to fraction form
   16,724/25,909.50 = 25,909.50/x
3. Step 3: Cross multiply
   16,724x = 25,909.50 × 25,909.50
4. Step 4: Simplify right side
   16,724x = 671,302,190.25
5. Step 5: Solve for x
   x = 671,302,190.25/16,724
6. Step 6: Final answer
   x = 40,140.05