Finding the Third Proportional to 1,901,111 and 4,227,268

Step by Step Solution

1. Step 1: Write the proportion equation
   1,901,111 : 4,227,268 = 4,227,268 : x
2. Step 2: Convert to fraction form
   1,901,111/4,227,268 = 4,227,268/x
3. Step 3: Cross multiply
   1,901,111x = 4,227,268 × 4,227,268
4. Step 4: Simplify right side
   1,901,111x = 17,869,794,743,824
5. Step 5: Solve for x
   x = 17,869,794,743,824/1,901,111
6. Step 6: Final answer
   x = 9,399,658.80