Finding the Third Proportional to 1,400,976 and 2,218,752

Step by Step Solution

1. Step 1: Write the proportion equation
   1,400,976 : 2,218,752 = 2,218,752 : x
2. Step 2: Convert to fraction form
   1,400,976/2,218,752 = 2,218,752/x
3. Step 3: Cross multiply
   1,400,976x = 2,218,752 × 2,218,752
4. Step 4: Simplify right side
   1,400,976x = 4,922,860,437,504
5. Step 5: Solve for x
   x = 4,922,860,437,504/1,400,976
6. Step 6: Final answer
   x = 3,513,879.21