Finding the Third Proportional to 8,198.25 and 12,603.38

Step by Step Solution

1. Step 1: Write the proportion equation
   8,198.25 : 12,603.38 = 12,603.38 : x
2. Step 2: Convert to fraction form
   8,198.25/12,603.38 = 12,603.38/x
3. Step 3: Cross multiply
   8,198.25x = 12,603.38 × 12,603.38
4. Step 4: Simplify right side
   8,198.25x = 158,845,061.39
5. Step 5: Solve for x
   x = 158,845,061.39/8,198.25
6. Step 6: Final answer
   x = 19,375.48