Finding the Third Proportional to 20,330.16 and 31,287.94

Step by Step Solution

1. Step 1: Write the proportion equation
   20,330.16 : 31,287.94 = 31,287.94 : x
2. Step 2: Convert to fraction form
   20,330.16/31,287.94 = 31,287.94/x
3. Step 3: Cross multiply
   20,330.16x = 31,287.94 × 31,287.94
4. Step 4: Simplify right side
   20,330.16x = 978,935,033.00
5. Step 5: Solve for x
   x = 978,935,033.00/20,330.16
6. Step 6: Final answer
   x = 48,151.87