Finding the Third Proportional to 20,158.50 and 31,505.25

Step by Step Solution

1. Step 1: Write the proportion equation
   20,158.50 : 31,505.25 = 31,505.25 : x
2. Step 2: Convert to fraction form
   20,158.50/31,505.25 = 31,505.25/x
3. Step 3: Cross multiply
   20,158.50x = 31,505.25 × 31,505.25
4. Step 4: Simplify right side
   20,158.50x = 992,580,777.56
5. Step 5: Solve for x
   x = 992,580,777.56/20,158.50
6. Step 6: Final answer
   x = 49,238.82