Finding the Third Proportional to 3,810,444 and 8,219,172

Step by Step Solution

1. Step 1: Write the proportion equation
   3,810,444 : 8,219,172 = 8,219,172 : x
2. Step 2: Convert to fraction form
   3,810,444/8,219,172 = 8,219,172/x
3. Step 3: Cross multiply
   3,810,444x = 8,219,172 × 8,219,172
4. Step 4: Simplify right side
   3,810,444x = 67,554,788,365,584
5. Step 5: Solve for x
   x = 67,554,788,365,584/3,810,444
6. Step 6: Final answer
   x = 17,728,849.54