Finding the Third Proportional to 2,086,398 and 4,448,370

Step by Step Solution

1. Step 1: Write the proportion equation
   2,086,398 : 4,448,370 = 4,448,370 : x
2. Step 2: Convert to fraction form
   2,086,398/4,448,370 = 4,448,370/x
3. Step 3: Cross multiply
   2,086,398x = 4,448,370 × 4,448,370
4. Step 4: Simplify right side
   2,086,398x = 19,787,995,656,900
5. Step 5: Solve for x
   x = 19,787,995,656,900/2,086,398
6. Step 6: Final answer
   x = 9,484,286.15