Finding the Third Proportional to 20,386 and 31,373.50

Step by Step Solution

1. Step 1: Write the proportion equation
   20,386 : 31,373.50 = 31,373.50 : x
2. Step 2: Convert to fraction form
   20,386/31,373.50 = 31,373.50/x
3. Step 3: Cross multiply
   20,386x = 31,373.50 × 31,373.50
4. Step 4: Simplify right side
   20,386x = 984,296,502.25
5. Step 5: Solve for x
   x = 984,296,502.25/20,386
6. Step 6: Final answer
   x = 48,282.96