Finding the Third Proportional to 1,214,211 and 2,664,618

Step by Step Solution

1. Step 1: Write the proportion equation
   1,214,211 : 2,664,618 = 2,664,618 : x
2. Step 2: Convert to fraction form
   1,214,211/2,664,618 = 2,664,618/x
3. Step 3: Cross multiply
   1,214,211x = 2,664,618 × 2,664,618
4. Step 4: Simplify right side
   1,214,211x = 7,100,189,085,924
5. Step 5: Solve for x
   x = 7,100,189,085,924/1,214,211
6. Step 6: Final answer
   x = 5,847,574.34