Finding the Third Proportional to 3,542,630 and 5,639,757

Step by Step Solution

1. Step 1: Write the proportion equation
   3,542,630 : 5,639,757 = 5,639,757 : x
2. Step 2: Convert to fraction form
   3,542,630/5,639,757 = 5,639,757/x
3. Step 3: Cross multiply
   3,542,630x = 5,639,757 × 5,639,757
4. Step 4: Simplify right side
   3,542,630x = 31,806,859,019,049
5. Step 5: Solve for x
   x = 31,806,859,019,049/3,542,630
6. Step 6: Final answer
   x = 8,978,318.09