Finding the Third Proportional to 1,446,638 and 3,111,019

Step by Step Solution

1. Step 1: Write the proportion equation
   1,446,638 : 3,111,019 = 3,111,019 : x
2. Step 2: Convert to fraction form
   1,446,638/3,111,019 = 3,111,019/x
3. Step 3: Cross multiply
   1,446,638x = 3,111,019 × 3,111,019
4. Step 4: Simplify right side
   1,446,638x = 9,678,439,218,361
5. Step 5: Solve for x
   x = 9,678,439,218,361/1,446,638
6. Step 6: Final answer
   x = 6,690,297.93