Finding the Third Proportional to 1,108.69 and 2,280.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,108.69 : 2,280.02 = 2,280.02 : x
2. Step 2: Convert to fraction form
   1,108.69/2,280.02 = 2,280.02/x
3. Step 3: Cross multiply
   1,108.69x = 2,280.02 × 2,280.02
4. Step 4: Simplify right side
   1,108.69x = 5,198,506.88
5. Step 5: Solve for x
   x = 5,198,506.88/1,108.69
6. Step 6: Final answer
   x = 4,688.88