Finding the Third Proportional to 4,433,278 and 9,550,449

Step by Step Solution

1. Step 1: Write the proportion equation
   4,433,278 : 9,550,449 = 9,550,449 : x
2. Step 2: Convert to fraction form
   4,433,278/9,550,449 = 9,550,449/x
3. Step 3: Cross multiply
   4,433,278x = 9,550,449 × 9,550,449
4. Step 4: Simplify right side
   4,433,278x = 91,211,076,101,601
5. Step 5: Solve for x
   x = 91,211,076,101,601/4,433,278
6. Step 6: Final answer
   x = 20,574,183.73