Finding the Third Proportional to 1,288.50 and 2,744

Step by Step Solution

1. Step 1: Write the proportion equation
   1,288.50 : 2,744 = 2,744 : x
2. Step 2: Convert to fraction form
   1,288.50/2,744 = 2,744/x
3. Step 3: Cross multiply
   1,288.50x = 2,744 × 2,744
4. Step 4: Simplify right side
   1,288.50x = 7,529,536
5. Step 5: Solve for x
   x = 7,529,536/1,288.50
6. Step 6: Final answer
   x = 5,843.64