Finding the Third Proportional to 2,351,198 and 3,517,680

Step by Step Solution

1. Step 1: Write the proportion equation
   2,351,198 : 3,517,680 = 3,517,680 : x
2. Step 2: Convert to fraction form
   2,351,198/3,517,680 = 3,517,680/x
3. Step 3: Cross multiply
   2,351,198x = 3,517,680 × 3,517,680
4. Step 4: Simplify right side
   2,351,198x = 12,374,072,582,400
5. Step 5: Solve for x
   x = 12,374,072,582,400/2,351,198
6. Step 6: Final answer
   x = 5,262,879.85