Finding the Third Proportional to 20,540 and 30,812

Step by Step Solution

1. Step 1: Write the proportion equation
   20,540 : 30,812 = 30,812 : x
2. Step 2: Convert to fraction form
   20,540/30,812 = 30,812/x
3. Step 3: Cross multiply
   20,540x = 30,812 × 30,812
4. Step 4: Simplify right side
   20,540x = 949,379,344
5. Step 5: Solve for x
   x = 949,379,344/20,540
6. Step 6: Final answer
   x = 46,221.00