Finding the Third Proportional to 1,503,917 and 3,131,764

Step by Step Solution

1. Step 1: Write the proportion equation
   1,503,917 : 3,131,764 = 3,131,764 : x
2. Step 2: Convert to fraction form
   1,503,917/3,131,764 = 3,131,764/x
3. Step 3: Cross multiply
   1,503,917x = 3,131,764 × 3,131,764
4. Step 4: Simplify right side
   1,503,917x = 9,807,945,751,696
5. Step 5: Solve for x
   x = 9,807,945,751,696/1,503,917
6. Step 6: Final answer
   x = 6,521,600.43