Finding the Third Proportional to 1,146,828 and 1,821,618

Step by Step Solution

1. Step 1: Write the proportion equation
   1,146,828 : 1,821,618 = 1,821,618 : x
2. Step 2: Convert to fraction form
   1,146,828/1,821,618 = 1,821,618/x
3. Step 3: Cross multiply
   1,146,828x = 1,821,618 × 1,821,618
4. Step 4: Simplify right side
   1,146,828x = 3,318,292,137,924
5. Step 5: Solve for x
   x = 3,318,292,137,924/1,146,828
6. Step 6: Final answer
   x = 2,893,452.32