Finding the Third Proportional to 1,718,921 and 3,642,741

Step by Step Solution

1. Step 1: Write the proportion equation
   1,718,921 : 3,642,741 = 3,642,741 : x
2. Step 2: Convert to fraction form
   1,718,921/3,642,741 = 3,642,741/x
3. Step 3: Cross multiply
   1,718,921x = 3,642,741 × 3,642,741
4. Step 4: Simplify right side
   1,718,921x = 13,269,561,993,081
5. Step 5: Solve for x
   x = 13,269,561,993,081/1,718,921
6. Step 6: Final answer
   x = 7,719,704.39