Finding the Third Proportional to 3,639,569 and 5,708,915

Step by Step Solution

1. Step 1: Write the proportion equation
   3,639,569 : 5,708,915 = 5,708,915 : x
2. Step 2: Convert to fraction form
   3,639,569/5,708,915 = 5,708,915/x
3. Step 3: Cross multiply
   3,639,569x = 5,708,915 × 5,708,915
4. Step 4: Simplify right side
   3,639,569x = 32,591,710,477,225
5. Step 5: Solve for x
   x = 32,591,710,477,225/3,639,569
6. Step 6: Final answer
   x = 8,954,826.93