Finding the Third Proportional to 4,066,638 and 8,802,744

Step by Step Solution

1. Step 1: Write the proportion equation
   4,066,638 : 8,802,744 = 8,802,744 : x
2. Step 2: Convert to fraction form
   4,066,638/8,802,744 = 8,802,744/x
3. Step 3: Cross multiply
   4,066,638x = 8,802,744 × 8,802,744
4. Step 4: Simplify right side
   4,066,638x = 77,488,301,929,536
5. Step 5: Solve for x
   x = 77,488,301,929,536/4,066,638
6. Step 6: Final answer
   x = 19,054,634.79