Finding the Third Proportional to 2,275.25 and 3,479

Step by Step Solution

1. Step 1: Write the proportion equation
   2,275.25 : 3,479 = 3,479 : x
2. Step 2: Convert to fraction form
   2,275.25/3,479 = 3,479/x
3. Step 3: Cross multiply
   2,275.25x = 3,479 × 3,479
4. Step 4: Simplify right side
   2,275.25x = 12,103,441
5. Step 5: Solve for x
   x = 12,103,441/2,275.25
6. Step 6: Final answer
   x = 5,319.61