Finding the Third Proportional to 3,943,744 and 8,485,268

Step by Step Solution

1. Step 1: Write the proportion equation
   3,943,744 : 8,485,268 = 8,485,268 : x
2. Step 2: Convert to fraction form
   3,943,744/8,485,268 = 8,485,268/x
3. Step 3: Cross multiply
   3,943,744x = 8,485,268 × 8,485,268
4. Step 4: Simplify right side
   3,943,744x = 71,999,773,031,824
5. Step 5: Solve for x
   x = 71,999,773,031,824/3,943,744
6. Step 6: Final answer
   x = 18,256,705.57