Finding the Third Proportional to 2,131,544 and 3,190,828

Step by Step Solution

1. Step 1: Write the proportion equation
   2,131,544 : 3,190,828 = 3,190,828 : x
2. Step 2: Convert to fraction form
   2,131,544/3,190,828 = 3,190,828/x
3. Step 3: Cross multiply
   2,131,544x = 3,190,828 × 3,190,828
4. Step 4: Simplify right side
   2,131,544x = 10,181,383,325,584
5. Step 5: Solve for x
   x = 10,181,383,325,584/2,131,544
6. Step 6: Final answer
   x = 4,776,529.75