Finding the Third Proportional to 20,787.89 and 31,950.70

Step by Step Solution

1. Step 1: Write the proportion equation
   20,787.89 : 31,950.70 = 31,950.70 : x
2. Step 2: Convert to fraction form
   20,787.89/31,950.70 = 31,950.70/x
3. Step 3: Cross multiply
   20,787.89x = 31,950.70 × 31,950.70
4. Step 4: Simplify right side
   20,787.89x = 1,020,847,430.18
5. Step 5: Solve for x
   x = 1,020,847,430.18/20,787.89
6. Step 6: Final answer
   x = 49,107.79