Finding the Third Proportional to 2,198.25 and 3,198.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,198.25 : 3,198.38 = 3,198.38 : x
2. Step 2: Convert to fraction form
   2,198.25/3,198.38 = 3,198.38/x
3. Step 3: Cross multiply
   2,198.25x = 3,198.38 × 3,198.38
4. Step 4: Simplify right side
   2,198.25x = 10,229,602.64
5. Step 5: Solve for x
   x = 10,229,602.64/2,198.25
6. Step 6: Final answer
   x = 4,653.52