Finding the Third Proportional to 4,243.50 and 5,717.25

Step by Step Solution

1. Step 1: Write the proportion equation
   4,243.50 : 5,717.25 = 5,717.25 : x
2. Step 2: Convert to fraction form
   4,243.50/5,717.25 = 5,717.25/x
3. Step 3: Cross multiply
   4,243.50x = 5,717.25 × 5,717.25
4. Step 4: Simplify right side
   4,243.50x = 32,686,947.56
5. Step 5: Solve for x
   x = 32,686,947.56/4,243.50
6. Step 6: Final answer
   x = 7,702.83