Finding the Third Proportional to 2,688 and 4,530

Step by Step Solution

1. Step 1: Write the proportion equation
   2,688 : 4,530 = 4,530 : x
2. Step 2: Convert to fraction form
   2,688/4,530 = 4,530/x
3. Step 3: Cross multiply
   2,688x = 4,530 × 4,530
4. Step 4: Simplify right side
   2,688x = 20,520,900
5. Step 5: Solve for x
   x = 20,520,900/2,688
6. Step 6: Final answer
   x = 7,634.26