Finding the Third Proportional to 865,170 and 1,863,456

Step by Step Solution

1. Step 1: Write the proportion equation
   865,170 : 1,863,456 = 1,863,456 : x
2. Step 2: Convert to fraction form
   865,170/1,863,456 = 1,863,456/x
3. Step 3: Cross multiply
   865,170x = 1,863,456 × 1,863,456
4. Step 4: Simplify right side
   865,170x = 3,472,468,263,936
5. Step 5: Solve for x
   x = 3,472,468,263,936/865,170
6. Step 6: Final answer
   x = 4,013,625.37