Finding the Third Proportional to 2,743.13 and 4,243.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,743.13 : 4,243.31 = 4,243.31 : x
2. Step 2: Convert to fraction form
   2,743.13/4,243.31 = 4,243.31/x
3. Step 3: Cross multiply
   2,743.13x = 4,243.31 × 4,243.31
4. Step 4: Simplify right side
   2,743.13x = 18,005,700.97
5. Step 5: Solve for x
   x = 18,005,700.97/2,743.13
6. Step 6: Final answer
   x = 6,563.94