Finding the Third Proportional to 1,071,872 and 2,231,949

Step by Step Solution

1. Step 1: Write the proportion equation
   1,071,872 : 2,231,949 = 2,231,949 : x
2. Step 2: Convert to fraction form
   1,071,872/2,231,949 = 2,231,949/x
3. Step 3: Cross multiply
   1,071,872x = 2,231,949 × 2,231,949
4. Step 4: Simplify right side
   1,071,872x = 4,981,596,338,601
5. Step 5: Solve for x
   x = 4,981,596,338,601/1,071,872
6. Step 6: Final answer
   x = 4,647,566.44