Finding the Third Proportional to 3,571.28 and 7,834.85

Step by Step Solution

1. Step 1: Write the proportion equation
   3,571.28 : 7,834.85 = 7,834.85 : x
2. Step 2: Convert to fraction form
   3,571.28/7,834.85 = 7,834.85/x
3. Step 3: Cross multiply
   3,571.28x = 7,834.85 × 7,834.85
4. Step 4: Simplify right side
   3,571.28x = 61,384,899.01
5. Step 5: Solve for x
   x = 61,384,899.01/3,571.28
6. Step 6: Final answer
   x = 17,188.50