Finding the Third Proportional to 3,810,439 and 8,219,162

Step by Step Solution

1. Step 1: Write the proportion equation
   3,810,439 : 8,219,162 = 8,219,162 : x
2. Step 2: Convert to fraction form
   3,810,439/8,219,162 = 8,219,162/x
3. Step 3: Cross multiply
   3,810,439x = 8,219,162 × 8,219,162
4. Step 4: Simplify right side
   3,810,439x = 67,554,623,982,244
5. Step 5: Solve for x
   x = 67,554,623,982,244/3,810,439
6. Step 6: Final answer
   x = 17,728,829.67