Finding the Third Proportional to 1,071,888 and 2,231,984

Step by Step Solution

1. Step 1: Write the proportion equation
   1,071,888 : 2,231,984 = 2,231,984 : x
2. Step 2: Convert to fraction form
   1,071,888/2,231,984 = 2,231,984/x
3. Step 3: Cross multiply
   1,071,888x = 2,231,984 × 2,231,984
4. Step 4: Simplify right side
   1,071,888x = 4,981,752,576,256
5. Step 5: Solve for x
   x = 4,981,752,576,256/1,071,888
6. Step 6: Final answer
   x = 4,647,642.83