Finding the Third Proportional to 1,901,105 and 4,227,257

Step by Step Solution

1. Step 1: Write the proportion equation
   1,901,105 : 4,227,257 = 4,227,257 : x
2. Step 2: Convert to fraction form
   1,901,105/4,227,257 = 4,227,257/x
3. Step 3: Cross multiply
   1,901,105x = 4,227,257 × 4,227,257
4. Step 4: Simplify right side
   1,901,105x = 17,869,701,744,049
5. Step 5: Solve for x
   x = 17,869,701,744,049/1,901,105
6. Step 6: Final answer
   x = 9,399,639.55