Finding the Third Proportional to 4,039,668 and 8,851,832

Step by Step Solution

1. Step 1: Write the proportion equation
   4,039,668 : 8,851,832 = 8,851,832 : x
2. Step 2: Convert to fraction form
   4,039,668/8,851,832 = 8,851,832/x
3. Step 3: Cross multiply
   4,039,668x = 8,851,832 × 8,851,832
4. Step 4: Simplify right side
   4,039,668x = 78,354,929,756,224
5. Step 5: Solve for x
   x = 78,354,929,756,224/4,039,668
6. Step 6: Final answer
   x = 19,396,378.55