Finding the Third Proportional to 1,503,566 and 3,131,540

Step by Step Solution

1. Step 1: Write the proportion equation
   1,503,566 : 3,131,540 = 3,131,540 : x
2. Step 2: Convert to fraction form
   1,503,566/3,131,540 = 3,131,540/x
3. Step 3: Cross multiply
   1,503,566x = 3,131,540 × 3,131,540
4. Step 4: Simplify right side
   1,503,566x = 9,806,542,771,600
5. Step 5: Solve for x
   x = 9,806,542,771,600/1,503,566
6. Step 6: Final answer
   x = 6,522,189.76