Finding the Third Proportional to 2,061,918 and 4,311,616.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,061,918 : 4,311,616.50 = 4,311,616.50 : x
2. Step 2: Convert to fraction form
   2,061,918/4,311,616.50 = 4,311,616.50/x
3. Step 3: Cross multiply
   2,061,918x = 4,311,616.50 × 4,311,616.50
4. Step 4: Simplify right side
   2,061,918x = 18,590,036,843,072.25
5. Step 5: Solve for x
   x = 18,590,036,843,072.25/2,061,918
6. Step 6: Final answer
   x = 9,015,895.32