Finding the Third Proportional to 1,503,959 and 3,131,839

Step by Step Solution

1. Step 1: Write the proportion equation
   1,503,959 : 3,131,839 = 3,131,839 : x
2. Step 2: Convert to fraction form
   1,503,959/3,131,839 = 3,131,839/x
3. Step 3: Cross multiply
   1,503,959x = 3,131,839 × 3,131,839
4. Step 4: Simplify right side
   1,503,959x = 9,808,415,521,921
5. Step 5: Solve for x
   x = 9,808,415,521,921/1,503,959
6. Step 6: Final answer
   x = 6,521,730.66