Finding the Third Proportional to 8,922,618 and 19,139,670

Step by Step Solution

1. Step 1: Write the proportion equation
   8,922,618 : 19,139,670 = 19,139,670 : x
2. Step 2: Convert to fraction form
   8,922,618/19,139,670 = 19,139,670/x
3. Step 3: Cross multiply
   8,922,618x = 19,139,670 × 19,139,670
4. Step 4: Simplify right side
   8,922,618x = 366,326,967,708,900
5. Step 5: Solve for x
   x = 366,326,967,708,900/8,922,618
6. Step 6: Final answer
   x = 41,055,995.86