Finding the Third Proportional to 3,311.38 and 7,017.63

Step by Step Solution

1. Step 1: Write the proportion equation
   3,311.38 : 7,017.63 = 7,017.63 : x
2. Step 2: Convert to fraction form
   3,311.38/7,017.63 = 7,017.63/x
3. Step 3: Cross multiply
   3,311.38x = 7,017.63 × 7,017.63
4. Step 4: Simplify right side
   3,311.38x = 49,247,060.64
5. Step 5: Solve for x
   x = 49,247,060.64/3,311.38
6. Step 6: Final answer
   x = 14,872.09