Finding the Third Proportional to 20,227.88 and 31,406.75

Step by Step Solution

1. Step 1: Write the proportion equation
   20,227.88 : 31,406.75 = 31,406.75 : x
2. Step 2: Convert to fraction form
   20,227.88/31,406.75 = 31,406.75/x
3. Step 3: Cross multiply
   20,227.88x = 31,406.75 × 31,406.75
4. Step 4: Simplify right side
   20,227.88x = 986,383,945.56
5. Step 5: Solve for x
   x = 986,383,945.56/20,227.88
6. Step 6: Final answer
   x = 48,763.60