Finding the Third Proportional to 7,728,436 and 16,949,856

Step by Step Solution

1. Step 1: Write the proportion equation
   7,728,436 : 16,949,856 = 16,949,856 : x
2. Step 2: Convert to fraction form
   7,728,436/16,949,856 = 16,949,856/x
3. Step 3: Cross multiply
   7,728,436x = 16,949,856 × 16,949,856
4. Step 4: Simplify right side
   7,728,436x = 287,297,618,420,736
5. Step 5: Solve for x
   x = 287,297,618,420,736/7,728,436
6. Step 6: Final answer
   x = 37,174,095.56