Finding the Third Proportional to 40,391 and 82,741

Step by Step Solution

1. Step 1: Write the proportion equation
   40,391 : 82,741 = 82,741 : x
2. Step 2: Convert to fraction form
   40,391/82,741 = 82,741/x
3. Step 3: Cross multiply
   40,391x = 82,741 × 82,741
4. Step 4: Simplify right side
   40,391x = 6,846,073,081
5. Step 5: Solve for x
   x = 6,846,073,081/40,391
6. Step 6: Final answer
   x = 169,495.01