Finding the Third Proportional to 12,634 and 20,105

Step by Step Solution

1. Step 1: Write the proportion equation
   12,634 : 20,105 = 20,105 : x
2. Step 2: Convert to fraction form
   12,634/20,105 = 20,105/x
3. Step 3: Cross multiply
   12,634x = 20,105 × 20,105
4. Step 4: Simplify right side
   12,634x = 404,211,025
5. Step 5: Solve for x
   x = 404,211,025/12,634
6. Step 6: Final answer
   x = 31,993.91