Finding the Third Proportional to 3,018.75 and 7,161.38

Step by Step Solution

1. Step 1: Write the proportion equation
   3,018.75 : 7,161.38 = 7,161.38 : x
2. Step 2: Convert to fraction form
   3,018.75/7,161.38 = 7,161.38/x
3. Step 3: Cross multiply
   3,018.75x = 7,161.38 × 7,161.38
4. Step 4: Simplify right side
   3,018.75x = 51,285,291.89
5. Step 5: Solve for x
   x = 51,285,291.89/3,018.75
6. Step 6: Final answer
   x = 16,988.92