Finding the Third Proportional to 2,642.06 and 3,963.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,642.06 : 3,963.38 = 3,963.38 : x
2. Step 2: Convert to fraction form
   2,642.06/3,963.38 = 3,963.38/x
3. Step 3: Cross multiply
   2,642.06x = 3,963.38 × 3,963.38
4. Step 4: Simplify right side
   2,642.06x = 15,708,341.39
5. Step 5: Solve for x
   x = 15,708,341.39/2,642.06
6. Step 6: Final answer
   x = 5,945.48