Finding the Third Proportional to 9,198 and 12,255

Step by Step Solution

1. Step 1: Write the proportion equation
   9,198 : 12,255 = 12,255 : x
2. Step 2: Convert to fraction form
   9,198/12,255 = 12,255/x
3. Step 3: Cross multiply
   9,198x = 12,255 × 12,255
4. Step 4: Simplify right side
   9,198x = 150,185,025
5. Step 5: Solve for x
   x = 150,185,025/9,198
6. Step 6: Final answer
   x = 16,328.01