Finding the Third Proportional to 3,311.63 and 7,018.13

Step by Step Solution

1. Step 1: Write the proportion equation
   3,311.63 : 7,018.13 = 7,018.13 : x
2. Step 2: Convert to fraction form
   3,311.63/7,018.13 = 7,018.13/x
3. Step 3: Cross multiply
   3,311.63x = 7,018.13 × 7,018.13
4. Step 4: Simplify right side
   3,311.63x = 49,254,078.52
5. Step 5: Solve for x
   x = 49,254,078.52/3,311.63
6. Step 6: Final answer
   x = 14,873.08