Finding the Third Proportional to 499,408 and 1,100,618

Step by Step Solution

1. Step 1: Write the proportion equation
   499,408 : 1,100,618 = 1,100,618 : x
2. Step 2: Convert to fraction form
   499,408/1,100,618 = 1,100,618/x
3. Step 3: Cross multiply
   499,408x = 1,100,618 × 1,100,618
4. Step 4: Simplify right side
   499,408x = 1,211,359,981,924
5. Step 5: Solve for x
   x = 1,211,359,981,924/499,408
6. Step 6: Final answer
   x = 2,425,591.86