Finding the Third Proportional to 3,954,744 and 8,505,648

Step by Step Solution

1. Step 1: Write the proportion equation
   3,954,744 : 8,505,648 = 8,505,648 : x
2. Step 2: Convert to fraction form
   3,954,744/8,505,648 = 8,505,648/x
3. Step 3: Cross multiply
   3,954,744x = 8,505,648 × 8,505,648
4. Step 4: Simplify right side
   3,954,744x = 72,346,047,899,904
5. Step 5: Solve for x
   x = 72,346,047,899,904/3,954,744
6. Step 6: Final answer
   x = 18,293,484.46