Finding the Third Proportional to 1,128.50 and 2,442

Step by Step Solution

1. Step 1: Write the proportion equation
   1,128.50 : 2,442 = 2,442 : x
2. Step 2: Convert to fraction form
   1,128.50/2,442 = 2,442/x
3. Step 3: Cross multiply
   1,128.50x = 2,442 × 2,442
4. Step 4: Simplify right side
   1,128.50x = 5,963,364
5. Step 5: Solve for x
   x = 5,963,364/1,128.50
6. Step 6: Final answer
   x = 5,284.33