Finding the Third Proportional to 2,108,870 and 4,367,268

Step by Step Solution

1. Step 1: Write the proportion equation
   2,108,870 : 4,367,268 = 4,367,268 : x
2. Step 2: Convert to fraction form
   2,108,870/4,367,268 = 4,367,268/x
3. Step 3: Cross multiply
   2,108,870x = 4,367,268 × 4,367,268
4. Step 4: Simplify right side
   2,108,870x = 19,073,029,783,824
5. Step 5: Solve for x
   x = 19,073,029,783,824/2,108,870
6. Step 6: Final answer
   x = 9,044,194.18