Finding the Third Proportional to 2,276.25 and 3,480.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,276.25 : 3,480.38 = 3,480.38 : x
2. Step 2: Convert to fraction form
   2,276.25/3,480.38 = 3,480.38/x
3. Step 3: Cross multiply
   2,276.25x = 3,480.38 × 3,480.38
4. Step 4: Simplify right side
   2,276.25x = 12,113,010.14
5. Step 5: Solve for x
   x = 12,113,010.14/2,276.25
6. Step 6: Final answer
   x = 5,321.48