Finding the Third Proportional to 3,907,734 and 8,235,308

Step by Step Solution

1. Step 1: Write the proportion equation
   3,907,734 : 8,235,308 = 8,235,308 : x
2. Step 2: Convert to fraction form
   3,907,734/8,235,308 = 8,235,308/x
3. Step 3: Cross multiply
   3,907,734x = 8,235,308 × 8,235,308
4. Step 4: Simplify right side
   3,907,734x = 67,820,297,854,864
5. Step 5: Solve for x
   x = 67,820,297,854,864/3,907,734
6. Step 6: Final answer
   x = 17,355,402.86