Finding the Third Proportional to 2,086,414 and 4,448,421

Step by Step Solution

1. Step 1: Write the proportion equation
   2,086,414 : 4,448,421 = 4,448,421 : x
2. Step 2: Convert to fraction form
   2,086,414/4,448,421 = 4,448,421/x
3. Step 3: Cross multiply
   2,086,414x = 4,448,421 × 4,448,421
4. Step 4: Simplify right side
   2,086,414x = 19,788,449,393,241
5. Step 5: Solve for x
   x = 19,788,449,393,241/2,086,414
6. Step 6: Final answer
   x = 9,484,430.89