Finding the Third Proportional to 20,254.50 and 31,434.75

Step by Step Solution

1. Step 1: Write the proportion equation
   20,254.50 : 31,434.75 = 31,434.75 : x
2. Step 2: Convert to fraction form
   20,254.50/31,434.75 = 31,434.75/x
3. Step 3: Cross multiply
   20,254.50x = 31,434.75 × 31,434.75
4. Step 4: Simplify right side
   20,254.50x = 988,143,507.56
5. Step 5: Solve for x
   x = 988,143,507.56/20,254.50
6. Step 6: Final answer
   x = 48,786.37