Finding the Third Proportional to 1,100 and 2,442.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,100 : 2,442.50 = 2,442.50 : x
2. Step 2: Convert to fraction form
   1,100/2,442.50 = 2,442.50/x
3. Step 3: Cross multiply
   1,100x = 2,442.50 × 2,442.50
4. Step 4: Simplify right side
   1,100x = 5,965,806.25
5. Step 5: Solve for x
   x = 5,965,806.25/1,100
6. Step 6: Final answer
   x = 5,423.46