Finding the Third Proportional to 1,503,908 and 3,131,744

Step by Step Solution

1. Step 1: Write the proportion equation
   1,503,908 : 3,131,744 = 3,131,744 : x
2. Step 2: Convert to fraction form
   1,503,908/3,131,744 = 3,131,744/x
3. Step 3: Cross multiply
   1,503,908x = 3,131,744 × 3,131,744
4. Step 4: Simplify right side
   1,503,908x = 9,807,820,481,536
5. Step 5: Solve for x
   x = 9,807,820,481,536/1,503,908
6. Step 6: Final answer
   x = 6,521,556.16