Finding the Third Proportional to 20,568 and 31,078

Step by Step Solution

1. Step 1: Write the proportion equation
   20,568 : 31,078 = 31,078 : x
2. Step 2: Convert to fraction form
   20,568/31,078 = 31,078/x
3. Step 3: Cross multiply
   20,568x = 31,078 × 31,078
4. Step 4: Simplify right side
   20,568x = 965,842,084
5. Step 5: Solve for x
   x = 965,842,084/20,568
6. Step 6: Final answer
   x = 46,958.48