Finding the Third Proportional to 2,086,419 and 4,448,430

Step by Step Solution

1. Step 1: Write the proportion equation
   2,086,419 : 4,448,430 = 4,448,430 : x
2. Step 2: Convert to fraction form
   2,086,419/4,448,430 = 4,448,430/x
3. Step 3: Cross multiply
   2,086,419x = 4,448,430 × 4,448,430
4. Step 4: Simplify right side
   2,086,419x = 19,788,529,464,900
5. Step 5: Solve for x
   x = 19,788,529,464,900/2,086,419
6. Step 6: Final answer
   x = 9,484,446.54