Finding the Third Proportional to 1,998.42 and 2,443.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,998.42 : 2,443.92 = 2,443.92 : x
2. Step 2: Convert to fraction form
   1,998.42/2,443.92 = 2,443.92/x
3. Step 3: Cross multiply
   1,998.42x = 2,443.92 × 2,443.92
4. Step 4: Simplify right side
   1,998.42x = 5,972,754.13
5. Step 5: Solve for x
   x = 5,972,754.13/1,998.42
6. Step 6: Final answer
   x = 2,988.74