Finding the Third Proportional to 3,907,728 and 8,235,296

Step by Step Solution

1. Step 1: Write the proportion equation
   3,907,728 : 8,235,296 = 8,235,296 : x
2. Step 2: Convert to fraction form
   3,907,728/8,235,296 = 8,235,296/x
3. Step 3: Cross multiply
   3,907,728x = 8,235,296 × 8,235,296
4. Step 4: Simplify right side
   3,907,728x = 67,820,100,207,616
5. Step 5: Solve for x
   x = 67,820,100,207,616/3,907,728
6. Step 6: Final answer
   x = 17,355,378.93