Finding the Third Proportional to 3,980,614 and 8,482,816

Step by Step Solution

1. Step 1: Write the proportion equation
   3,980,614 : 8,482,816 = 8,482,816 : x
2. Step 2: Convert to fraction form
   3,980,614/8,482,816 = 8,482,816/x
3. Step 3: Cross multiply
   3,980,614x = 8,482,816 × 8,482,816
4. Step 4: Simplify right side
   3,980,614x = 71,958,167,289,856
5. Step 5: Solve for x
   x = 71,958,167,289,856/3,980,614
6. Step 6: Final answer
   x = 18,077,152.74