Finding the Third Proportional to 3,542,624 and 5,639,756

Step by Step Solution

1. Step 1: Write the proportion equation
   3,542,624 : 5,639,756 = 5,639,756 : x
2. Step 2: Convert to fraction form
   3,542,624/5,639,756 = 5,639,756/x
3. Step 3: Cross multiply
   3,542,624x = 5,639,756 × 5,639,756
4. Step 4: Simplify right side
   3,542,624x = 31,806,847,739,536
5. Step 5: Solve for x
   x = 31,806,847,739,536/3,542,624
6. Step 6: Final answer
   x = 8,978,330.11