Finding the Third Proportional to 1,901,154 and 4,227,378

Step by Step Solution

1. Step 1: Write the proportion equation
   1,901,154 : 4,227,378 = 4,227,378 : x
2. Step 2: Convert to fraction form
   1,901,154/4,227,378 = 4,227,378/x
3. Step 3: Cross multiply
   1,901,154x = 4,227,378 × 4,227,378
4. Step 4: Simplify right side
   1,901,154x = 17,870,724,754,884
5. Step 5: Solve for x
   x = 17,870,724,754,884/1,901,154
6. Step 6: Final answer
   x = 9,399,935.38