Finding the Third Proportional to 1,821,434 and 2,717,388

Step by Step Solution

1. Step 1: Write the proportion equation
   1,821,434 : 2,717,388 = 2,717,388 : x
2. Step 2: Convert to fraction form
   1,821,434/2,717,388 = 2,717,388/x
3. Step 3: Cross multiply
   1,821,434x = 2,717,388 × 2,717,388
4. Step 4: Simplify right side
   1,821,434x = 7,384,197,542,544
5. Step 5: Solve for x
   x = 7,384,197,542,544/1,821,434
6. Step 6: Final answer
   x = 4,054,057.16