Finding the Third Proportional to 1,399.50 and 3,042

Step by Step Solution

1. Step 1: Write the proportion equation
   1,399.50 : 3,042 = 3,042 : x
2. Step 2: Convert to fraction form
   1,399.50/3,042 = 3,042/x
3. Step 3: Cross multiply
   1,399.50x = 3,042 × 3,042
4. Step 4: Simplify right side
   1,399.50x = 9,253,764
5. Step 5: Solve for x
   x = 9,253,764/1,399.50
6. Step 6: Final answer
   x = 6,612.19