Finding the Third Proportional to 774,074 and 1,821,330

Step by Step Solution

1. Step 1: Write the proportion equation
   774,074 : 1,821,330 = 1,821,330 : x
2. Step 2: Convert to fraction form
   774,074/1,821,330 = 1,821,330/x
3. Step 3: Cross multiply
   774,074x = 1,821,330 × 1,821,330
4. Step 4: Simplify right side
   774,074x = 3,317,242,968,900
5. Step 5: Solve for x
   x = 3,317,242,968,900/774,074
6. Step 6: Final answer
   x = 4,285,433.91