Finding the Third Proportional to 2,010,816 and 4,161,600

Step by Step Solution

1. Step 1: Write the proportion equation
   2,010,816 : 4,161,600 = 4,161,600 : x
2. Step 2: Convert to fraction form
   2,010,816/4,161,600 = 4,161,600/x
3. Step 3: Cross multiply
   2,010,816x = 4,161,600 × 4,161,600
4. Step 4: Simplify right side
   2,010,816x = 17,318,914,560,000
5. Step 5: Solve for x
   x = 17,318,914,560,000/2,010,816
6. Step 6: Final answer
   x = 8,612,878.83