Finding the Third Proportional to 681,618 and 1,009,266

Step by Step Solution

1. Step 1: Write the proportion equation
   681,618 : 1,009,266 = 1,009,266 : x
2. Step 2: Convert to fraction form
   681,618/1,009,266 = 1,009,266/x
3. Step 3: Cross multiply
   681,618x = 1,009,266 × 1,009,266
4. Step 4: Simplify right side
   681,618x = 1,018,617,858,756
5. Step 5: Solve for x
   x = 1,018,617,858,756/681,618
6. Step 6: Final answer
   x = 1,494,411.62