Finding the Third Proportional to 9,260,168 and 19,942,618

Step by Step Solution

1. Step 1: Write the proportion equation
   9,260,168 : 19,942,618 = 19,942,618 : x
2. Step 2: Convert to fraction form
   9,260,168/19,942,618 = 19,942,618/x
3. Step 3: Cross multiply
   9,260,168x = 19,942,618 × 19,942,618
4. Step 4: Simplify right side
   9,260,168x = 397,708,012,693,924
5. Step 5: Solve for x
   x = 397,708,012,693,924/9,260,168
6. Step 6: Final answer
   x = 42,948,250.26