Finding the Third Proportional to 3,728,834 and 5,643,665

Step by Step Solution

1. Step 1: Write the proportion equation
   3,728,834 : 5,643,665 = 5,643,665 : x
2. Step 2: Convert to fraction form
   3,728,834/5,643,665 = 5,643,665/x
3. Step 3: Cross multiply
   3,728,834x = 5,643,665 × 5,643,665
4. Step 4: Simplify right side
   3,728,834x = 31,850,954,632,225
5. Step 5: Solve for x
   x = 31,850,954,632,225/3,728,834
6. Step 6: Final answer
   x = 8,541,800.10