Finding the Third Proportional to 2,081,694 and 4,438,218

Step by Step Solution

1. Step 1: Write the proportion equation
   2,081,694 : 4,438,218 = 4,438,218 : x
2. Step 2: Convert to fraction form
   2,081,694/4,438,218 = 4,438,218/x
3. Step 3: Cross multiply
   2,081,694x = 4,438,218 × 4,438,218
4. Step 4: Simplify right side
   2,081,694x = 19,697,779,015,524
5. Step 5: Solve for x
   x = 19,697,779,015,524/2,081,694
6. Step 6: Final answer
   x = 9,462,379.68