Finding the Third Proportional to 227,866 and 498,618

Step by Step Solution

1. Step 1: Write the proportion equation
   227,866 : 498,618 = 498,618 : x
2. Step 2: Convert to fraction form
   227,866/498,618 = 498,618/x
3. Step 3: Cross multiply
   227,866x = 498,618 × 498,618
4. Step 4: Simplify right side
   227,866x = 248,619,909,924
5. Step 5: Solve for x
   x = 248,619,909,924/227,866
6. Step 6: Final answer
   x = 1,091,079.45