Finding the Third Proportional to 3,810,446 and 8,219,176

Step by Step Solution

1. Step 1: Write the proportion equation
   3,810,446 : 8,219,176 = 8,219,176 : x
2. Step 2: Convert to fraction form
   3,810,446/8,219,176 = 8,219,176/x
3. Step 3: Cross multiply
   3,810,446x = 8,219,176 × 8,219,176
4. Step 4: Simplify right side
   3,810,446x = 67,554,854,118,976
5. Step 5: Solve for x
   x = 67,554,854,118,976/3,810,446
6. Step 6: Final answer
   x = 17,728,857.49