Finding the Third Proportional to 2,613.38 and 4,078.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,613.38 : 4,078.88 = 4,078.88 : x
2. Step 2: Convert to fraction form
   2,613.38/4,078.88 = 4,078.88/x
3. Step 3: Cross multiply
   2,613.38x = 4,078.88 × 4,078.88
4. Step 4: Simplify right side
   2,613.38x = 16,637,221.27
5. Step 5: Solve for x
   x = 16,637,221.27/2,613.38
6. Step 6: Final answer
   x = 6,366.18