Finding the Third Proportional to 4,378,338 and 9,581,344

Step by Step Solution

1. Step 1: Write the proportion equation
   4,378,338 : 9,581,344 = 9,581,344 : x
2. Step 2: Convert to fraction form
   4,378,338/9,581,344 = 9,581,344/x
3. Step 3: Cross multiply
   4,378,338x = 9,581,344 × 9,581,344
4. Step 4: Simplify right side
   4,378,338x = 91,802,152,846,336
5. Step 5: Solve for x
   x = 91,802,152,846,336/4,378,338
6. Step 6: Final answer
   x = 20,967,351.73