Finding the Third Proportional to 218,674 and 473,618

Step by Step Solution

1. Step 1: Write the proportion equation
   218,674 : 473,618 = 473,618 : x
2. Step 2: Convert to fraction form
   218,674/473,618 = 473,618/x
3. Step 3: Cross multiply
   218,674x = 473,618 × 473,618
4. Step 4: Simplify right side
   218,674x = 224,314,009,924
5. Step 5: Solve for x
   x = 224,314,009,924/218,674
6. Step 6: Final answer
   x = 1,025,791.86