Finding the Third Proportional to 855,216 and 1,847,360

Step by Step Solution

1. Step 1: Write the proportion equation
   855,216 : 1,847,360 = 1,847,360 : x
2. Step 2: Convert to fraction form
   855,216/1,847,360 = 1,847,360/x
3. Step 3: Cross multiply
   855,216x = 1,847,360 × 1,847,360
4. Step 4: Simplify right side
   855,216x = 3,412,738,969,600
5. Step 5: Solve for x
   x = 3,412,738,969,600/855,216
6. Step 6: Final answer
   x = 3,990,499.44