Finding the Third Proportional to 4,046,949 and 8,670,816

Step by Step Solution

1. Step 1: Write the proportion equation
   4,046,949 : 8,670,816 = 8,670,816 : x
2. Step 2: Convert to fraction form
   4,046,949/8,670,816 = 8,670,816/x
3. Step 3: Cross multiply
   4,046,949x = 8,670,816 × 8,670,816
4. Step 4: Simplify right side
   4,046,949x = 75,183,050,105,856
5. Step 5: Solve for x
   x = 75,183,050,105,856/4,046,949
6. Step 6: Final answer
   x = 18,577,711.28