Finding the Third Proportional to 31,121 and 41,929

Step by Step Solution

1. Step 1: Write the proportion equation
   31,121 : 41,929 = 41,929 : x
2. Step 2: Convert to fraction form
   31,121/41,929 = 41,929/x
3. Step 3: Cross multiply
   31,121x = 41,929 × 41,929
4. Step 4: Simplify right side
   31,121x = 1,758,041,041
5. Step 5: Solve for x
   x = 1,758,041,041/31,121
6. Step 6: Final answer
   x = 56,490.51