Finding the Third Proportional to 1,192,416 and 2,555,456

Step by Step Solution

1. Step 1: Write the proportion equation
   1,192,416 : 2,555,456 = 2,555,456 : x
2. Step 2: Convert to fraction form
   1,192,416/2,555,456 = 2,555,456/x
3. Step 3: Cross multiply
   1,192,416x = 2,555,456 × 2,555,456
4. Step 4: Simplify right side
   1,192,416x = 6,530,355,367,936
5. Step 5: Solve for x
   x = 6,530,355,367,936/1,192,416
6. Step 6: Final answer
   x = 5,476,574.76