Finding the Third Proportional to 2,819,218 and 4,294,919

Step by Step Solution

1. Step 1: Write the proportion equation
   2,819,218 : 4,294,919 = 4,294,919 : x
2. Step 2: Convert to fraction form
   2,819,218/4,294,919 = 4,294,919/x
3. Step 3: Cross multiply
   2,819,218x = 4,294,919 × 4,294,919
4. Step 4: Simplify right side
   2,819,218x = 18,446,329,216,561
5. Step 5: Solve for x
   x = 18,446,329,216,561/2,819,218
6. Step 6: Final answer
   x = 6,543,065.92