Finding the Third Proportional to 1,491.75 and 3,520.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,491.75 : 3,520.88 = 3,520.88 : x
2. Step 2: Convert to fraction form
   1,491.75/3,520.88 = 3,520.88/x
3. Step 3: Cross multiply
   1,491.75x = 3,520.88 × 3,520.88
4. Step 4: Simplify right side
   1,491.75x = 12,396,560.77
5. Step 5: Solve for x
   x = 12,396,560.77/1,491.75
6. Step 6: Final answer
   x = 8,310.08