Finding the Third Proportional to 4,483,232 and 9,728,544

Step by Step Solution

1. Step 1: Write the proportion equation
   4,483,232 : 9,728,544 = 9,728,544 : x
2. Step 2: Convert to fraction form
   4,483,232/9,728,544 = 9,728,544/x
3. Step 3: Cross multiply
   4,483,232x = 9,728,544 × 9,728,544
4. Step 4: Simplify right side
   4,483,232x = 94,644,568,359,936
5. Step 5: Solve for x
   x = 94,644,568,359,936/4,483,232
6. Step 6: Final answer
   x = 21,110,789.80