Finding the Third Proportional to 20,883.50 and 31,986.75

Step by Step Solution

1. Step 1: Write the proportion equation
   20,883.50 : 31,986.75 = 31,986.75 : x
2. Step 2: Convert to fraction form
   20,883.50/31,986.75 = 31,986.75/x
3. Step 3: Cross multiply
   20,883.50x = 31,986.75 × 31,986.75
4. Step 4: Simplify right side
   20,883.50x = 1,023,152,175.56
5. Step 5: Solve for x
   x = 1,023,152,175.56/20,883.50
6. Step 6: Final answer
   x = 48,993.33