Finding the Third Proportional to 20,122 and 31,855

Step by Step Solution

1. Step 1: Write the proportion equation
   20,122 : 31,855 = 31,855 : x
2. Step 2: Convert to fraction form
   20,122/31,855 = 31,855/x
3. Step 3: Cross multiply
   20,122x = 31,855 × 31,855
4. Step 4: Simplify right side
   20,122x = 1,014,741,025
5. Step 5: Solve for x
   x = 1,014,741,025/20,122
6. Step 6: Final answer
   x = 50,429.43