Finding the Third Proportional to 4,403,436 and 9,108,936

Step by Step Solution

1. Step 1: Write the proportion equation
   4,403,436 : 9,108,936 = 9,108,936 : x
2. Step 2: Convert to fraction form
   4,403,436/9,108,936 = 9,108,936/x
3. Step 3: Cross multiply
   4,403,436x = 9,108,936 × 9,108,936
4. Step 4: Simplify right side
   4,403,436x = 82,972,715,052,096
5. Step 5: Solve for x
   x = 82,972,715,052,096/4,403,436
6. Step 6: Final answer
   x = 18,842,720.79