Finding the Third Proportional to 9,048,618 and 19,722,958

Step by Step Solution

1. Step 1: Write the proportion equation
   9,048,618 : 19,722,958 = 19,722,958 : x
2. Step 2: Convert to fraction form
   9,048,618/19,722,958 = 19,722,958/x
3. Step 3: Cross multiply
   9,048,618x = 19,722,958 × 19,722,958
4. Step 4: Simplify right side
   9,048,618x = 388,995,072,269,764
5. Step 5: Solve for x
   x = 388,995,072,269,764/9,048,618
6. Step 6: Final answer
   x = 42,989,445.71