Finding the Third Proportional to 20,440.50 and 31,661.25

Step by Step Solution

1. Step 1: Write the proportion equation
   20,440.50 : 31,661.25 = 31,661.25 : x
2. Step 2: Convert to fraction form
   20,440.50/31,661.25 = 31,661.25/x
3. Step 3: Cross multiply
   20,440.50x = 31,661.25 × 31,661.25
4. Step 4: Simplify right side
   20,440.50x = 1,002,434,751.56
5. Step 5: Solve for x
   x = 1,002,434,751.56/20,440.50
6. Step 6: Final answer
   x = 49,041.60