Finding the Third Proportional to 16,990.50 and 24,985.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,990.50 : 24,985.50 = 24,985.50 : x
2. Step 2: Convert to fraction form
   16,990.50/24,985.50 = 24,985.50/x
3. Step 3: Cross multiply
   16,990.50x = 24,985.50 × 24,985.50
4. Step 4: Simplify right side
   16,990.50x = 624,275,210.25
5. Step 5: Solve for x
   x = 624,275,210.25/16,990.50
6. Step 6: Final answer
   x = 36,742.60