Finding the Third Proportional to 1,821,707 and 2,673,448

Step by Step Solution

1. Step 1: Write the proportion equation
   1,821,707 : 2,673,448 = 2,673,448 : x
2. Step 2: Convert to fraction form
   1,821,707/2,673,448 = 2,673,448/x
3. Step 3: Cross multiply
   1,821,707x = 2,673,448 × 2,673,448
4. Step 4: Simplify right side
   1,821,707x = 7,147,324,208,704
5. Step 5: Solve for x
   x = 7,147,324,208,704/1,821,707
6. Step 6: Final answer
   x = 3,923,421.39