Finding the Third Proportional to 1,503,900 and 3,131,730

Step by Step Solution

1. Step 1: Write the proportion equation
   1,503,900 : 3,131,730 = 3,131,730 : x
2. Step 2: Convert to fraction form
   1,503,900/3,131,730 = 3,131,730/x
3. Step 3: Cross multiply
   1,503,900x = 3,131,730 × 3,131,730
4. Step 4: Simplify right side
   1,503,900x = 9,807,732,792,900
5. Step 5: Solve for x
   x = 9,807,732,792,900/1,503,900
6. Step 6: Final answer
   x = 6,521,532.54