Finding the Third Proportional to 1,901,171 and 4,227,403

Step by Step Solution

1. Step 1: Write the proportion equation
   1,901,171 : 4,227,403 = 4,227,403 : x
2. Step 2: Convert to fraction form
   1,901,171/4,227,403 = 4,227,403/x
3. Step 3: Cross multiply
   1,901,171x = 4,227,403 × 4,227,403
4. Step 4: Simplify right side
   1,901,171x = 17,870,936,124,409
5. Step 5: Solve for x
   x = 17,870,936,124,409/1,901,171
6. Step 6: Final answer
   x = 9,399,962.51