Finding the Third Proportional to 3,310.88 and 7,072.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,310.88 : 7,072.31 = 7,072.31 : x
2. Step 2: Convert to fraction form
   3,310.88/7,072.31 = 7,072.31/x
3. Step 3: Cross multiply
   3,310.88x = 7,072.31 × 7,072.31
4. Step 4: Simplify right side
   3,310.88x = 50,017,604.10
5. Step 5: Solve for x
   x = 50,017,604.10/3,310.88
6. Step 6: Final answer
   x = 15,107.07