Finding the Third Proportional to 2,159,118 and 4,617,198

Step by Step Solution

1. Step 1: Write the proportion equation
   2,159,118 : 4,617,198 = 4,617,198 : x
2. Step 2: Convert to fraction form
   2,159,118/4,617,198 = 4,617,198/x
3. Step 3: Cross multiply
   2,159,118x = 4,617,198 × 4,617,198
4. Step 4: Simplify right side
   2,159,118x = 21,318,517,371,204
5. Step 5: Solve for x
   x = 21,318,517,371,204/2,159,118
6. Step 6: Final answer
   x = 9,873,715.74