Finding the Third Proportional to 1,240,832 and 1,990,824

Step by Step Solution

1. Step 1: Write the proportion equation
   1,240,832 : 1,990,824 = 1,990,824 : x
2. Step 2: Convert to fraction form
   1,240,832/1,990,824 = 1,990,824/x
3. Step 3: Cross multiply
   1,240,832x = 1,990,824 × 1,990,824
4. Step 4: Simplify right side
   1,240,832x = 3,963,380,198,976
5. Step 5: Solve for x
   x = 3,963,380,198,976/1,240,832
6. Step 6: Final answer
   x = 3,194,131.20