Finding the Third Proportional to 2,647.69 and 4,061.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,647.69 : 4,061.39 = 4,061.39 : x
2. Step 2: Convert to fraction form
   2,647.69/4,061.39 = 4,061.39/x
3. Step 3: Cross multiply
   2,647.69x = 4,061.39 × 4,061.39
4. Step 4: Simplify right side
   2,647.69x = 16,494,893.81
5. Step 5: Solve for x
   x = 16,494,893.81/2,647.69
6. Step 6: Final answer
   x = 6,229.92