Finding the Third Proportional to 20,642 and 30,474

Step by Step Solution

1. Step 1: Write the proportion equation
   20,642 : 30,474 = 30,474 : x
2. Step 2: Convert to fraction form
   20,642/30,474 = 30,474/x
3. Step 3: Cross multiply
   20,642x = 30,474 × 30,474
4. Step 4: Simplify right side
   20,642x = 928,664,676
5. Step 5: Solve for x
   x = 928,664,676/20,642
6. Step 6: Final answer
   x = 44,989.08