Finding the Third Proportional to 3,949,852 and 8,499,104

Step by Step Solution

1. Step 1: Write the proportion equation
   3,949,852 : 8,499,104 = 8,499,104 : x
2. Step 2: Convert to fraction form
   3,949,852/8,499,104 = 8,499,104/x
3. Step 3: Cross multiply
   3,949,852x = 8,499,104 × 8,499,104
4. Step 4: Simplify right side
   3,949,852x = 72,234,768,802,816
5. Step 5: Solve for x
   x = 72,234,768,802,816/3,949,852
6. Step 6: Final answer
   x = 18,287,968.46