Finding the Third Proportional to 2,288.50 and 3,108.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,288.50 : 3,108.50 = 3,108.50 : x
2. Step 2: Convert to fraction form
   2,288.50/3,108.50 = 3,108.50/x
3. Step 3: Cross multiply
   2,288.50x = 3,108.50 × 3,108.50
4. Step 4: Simplify right side
   2,288.50x = 9,662,772.25
5. Step 5: Solve for x
   x = 9,662,772.25/2,288.50
6. Step 6: Final answer
   x = 4,222.32