Finding the Third Proportional to 3,810,448 and 8,219,180

Step by Step Solution

1. Step 1: Write the proportion equation
   3,810,448 : 8,219,180 = 8,219,180 : x
2. Step 2: Convert to fraction form
   3,810,448/8,219,180 = 8,219,180/x
3. Step 3: Cross multiply
   3,810,448x = 8,219,180 × 8,219,180
4. Step 4: Simplify right side
   3,810,448x = 67,554,919,872,400
5. Step 5: Solve for x
   x = 67,554,919,872,400/3,810,448
6. Step 6: Final answer
   x = 17,728,865.44