Finding the Third Proportional to 20,723.25 and 31,871.38

Step by Step Solution

1. Step 1: Write the proportion equation
   20,723.25 : 31,871.38 = 31,871.38 : x
2. Step 2: Convert to fraction form
   20,723.25/31,871.38 = 31,871.38/x
3. Step 3: Cross multiply
   20,723.25x = 31,871.38 × 31,871.38
4. Step 4: Simplify right side
   20,723.25x = 1,015,784,544.39
5. Step 5: Solve for x
   x = 1,015,784,544.39/20,723.25
6. Step 6: Final answer
   x = 49,016.66