Finding the Third Proportional to 40,682 and 61,131

Step by Step Solution

1. Step 1: Write the proportion equation
   40,682 : 61,131 = 61,131 : x
2. Step 2: Convert to fraction form
   40,682/61,131 = 61,131/x
3. Step 3: Cross multiply
   40,682x = 61,131 × 61,131
4. Step 4: Simplify right side
   40,682x = 3,736,999,161
5. Step 5: Solve for x
   x = 3,736,999,161/40,682
6. Step 6: Final answer
   x = 91,858.79