Finding the Third Proportional to 2,045.25 and 3,243.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,045.25 : 3,243.80 = 3,243.80 : x
2. Step 2: Convert to fraction form
   2,045.25/3,243.80 = 3,243.80/x
3. Step 3: Cross multiply
   2,045.25x = 3,243.80 × 3,243.80
4. Step 4: Simplify right side
   2,045.25x = 10,522,218.17
5. Step 5: Solve for x
   x = 10,522,218.17/2,045.25
6. Step 6: Final answer
   x = 5,144.71