Finding the Third Proportional to 89,198 and 121,494

Step by Step Solution

1. Step 1: Write the proportion equation
   89,198 : 121,494 = 121,494 : x
2. Step 2: Convert to fraction form
   89,198/121,494 = 121,494/x
3. Step 3: Cross multiply
   89,198x = 121,494 × 121,494
4. Step 4: Simplify right side
   89,198x = 14,760,792,036
5. Step 5: Solve for x
   x = 14,760,792,036/89,198
6. Step 6: Final answer
   x = 165,483.44