Finding the Third Proportional to 3,982.50 and 5,310.75

Step by Step Solution

1. Step 1: Write the proportion equation
   3,982.50 : 5,310.75 = 5,310.75 : x
2. Step 2: Convert to fraction form
   3,982.50/5,310.75 = 5,310.75/x
3. Step 3: Cross multiply
   3,982.50x = 5,310.75 × 5,310.75
4. Step 4: Simplify right side
   3,982.50x = 28,204,065.56
5. Step 5: Solve for x
   x = 28,204,065.56/3,982.50
6. Step 6: Final answer
   x = 7,082.00