Finding the Third Proportional to 20,331 and 31,864.50

Step by Step Solution

1. Step 1: Write the proportion equation
   20,331 : 31,864.50 = 31,864.50 : x
2. Step 2: Convert to fraction form
   20,331/31,864.50 = 31,864.50/x
3. Step 3: Cross multiply
   20,331x = 31,864.50 × 31,864.50
4. Step 4: Simplify right side
   20,331x = 1,015,346,360.25
5. Step 5: Solve for x
   x = 1,015,346,360.25/20,331
6. Step 6: Final answer
   x = 49,940.80