Finding the Third Proportional to 2,218 and 4,080.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,218 : 4,080.50 = 4,080.50 : x
2. Step 2: Convert to fraction form
   2,218/4,080.50 = 4,080.50/x
3. Step 3: Cross multiply
   2,218x = 4,080.50 × 4,080.50
4. Step 4: Simplify right side
   2,218x = 16,650,480.25
5. Step 5: Solve for x
   x = 16,650,480.25/2,218
6. Step 6: Final answer
   x = 7,506.98