Finding the Third Proportional to 2,988 and 5,530.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,988 : 5,530.50 = 5,530.50 : x
2. Step 2: Convert to fraction form
   2,988/5,530.50 = 5,530.50/x
3. Step 3: Cross multiply
   2,988x = 5,530.50 × 5,530.50
4. Step 4: Simplify right side
   2,988x = 30,586,430.25
5. Step 5: Solve for x
   x = 30,586,430.25/2,988
6. Step 6: Final answer
   x = 10,236.42