Finding the Third Proportional to 20,314.25 and 31,392.75

Step by Step Solution

1. Step 1: Write the proportion equation
   20,314.25 : 31,392.75 = 31,392.75 : x
2. Step 2: Convert to fraction form
   20,314.25/31,392.75 = 31,392.75/x
3. Step 3: Cross multiply
   20,314.25x = 31,392.75 × 31,392.75
4. Step 4: Simplify right side
   20,314.25x = 985,504,752.56
5. Step 5: Solve for x
   x = 985,504,752.56/20,314.25
6. Step 6: Final answer
   x = 48,512.98