Finding the Third Proportional to 4,450,285 and 9,136,493

Step by Step Solution

1. Step 1: Write the proportion equation
   4,450,285 : 9,136,493 = 9,136,493 : x
2. Step 2: Convert to fraction form
   4,450,285/9,136,493 = 9,136,493/x
3. Step 3: Cross multiply
   4,450,285x = 9,136,493 × 9,136,493
4. Step 4: Simplify right side
   4,450,285x = 83,475,504,339,049
5. Step 5: Solve for x
   x = 83,475,504,339,049/4,450,285
6. Step 6: Final answer
   x = 18,757,338.99