Finding the Third Proportional to 3,243.94 and 4,275.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,243.94 : 4,275.56 = 4,275.56 : x
2. Step 2: Convert to fraction form
   3,243.94/4,275.56 = 4,275.56/x
3. Step 3: Cross multiply
   3,243.94x = 4,275.56 × 4,275.56
4. Step 4: Simplify right side
   3,243.94x = 18,280,434.69
5. Step 5: Solve for x
   x = 18,280,434.69/3,243.94
6. Step 6: Final answer
   x = 5,635.26