Finding the Third Proportional to 3,810,426 and 8,219,116

Step by Step Solution

1. Step 1: Write the proportion equation
   3,810,426 : 8,219,116 = 8,219,116 : x
2. Step 2: Convert to fraction form
   3,810,426/8,219,116 = 8,219,116/x
3. Step 3: Cross multiply
   3,810,426x = 8,219,116 × 8,219,116
4. Step 4: Simplify right side
   3,810,426x = 67,553,867,821,456
5. Step 5: Solve for x
   x = 67,553,867,821,456/3,810,426
6. Step 6: Final answer
   x = 17,728,691.71