Finding the Third Proportional to 478,618 and 741,004

Step by Step Solution

1. Step 1: Write the proportion equation
   478,618 : 741,004 = 741,004 : x
2. Step 2: Convert to fraction form
   478,618/741,004 = 741,004/x
3. Step 3: Cross multiply
   478,618x = 741,004 × 741,004
4. Step 4: Simplify right side
   478,618x = 549,086,928,016
5. Step 5: Solve for x
   x = 549,086,928,016/478,618
6. Step 6: Final answer
   x = 1,147,234.18