Finding the Third Proportional to 20,887.50 and 31,992.75

Step by Step Solution

1. Step 1: Write the proportion equation
   20,887.50 : 31,992.75 = 31,992.75 : x
2. Step 2: Convert to fraction form
   20,887.50/31,992.75 = 31,992.75/x
3. Step 3: Cross multiply
   20,887.50x = 31,992.75 × 31,992.75
4. Step 4: Simplify right side
   20,887.50x = 1,023,536,052.56
5. Step 5: Solve for x
   x = 1,023,536,052.56/20,887.50
6. Step 6: Final answer
   x = 49,002.32