Finding the Third Proportional to 21,124 and 31,622

Step by Step Solution

1. Step 1: Write the proportion equation
   21,124 : 31,622 = 31,622 : x
2. Step 2: Convert to fraction form
   21,124/31,622 = 31,622/x
3. Step 3: Cross multiply
   21,124x = 31,622 × 31,622
4. Step 4: Simplify right side
   21,124x = 999,950,884
5. Step 5: Solve for x
   x = 999,950,884/21,124
6. Step 6: Final answer
   x = 47,337.19