Finding the Third Proportional to 1,509,891 and 2,286,815

Step by Step Solution

1. Step 1: Write the proportion equation
   1,509,891 : 2,286,815 = 2,286,815 : x
2. Step 2: Convert to fraction form
   1,509,891/2,286,815 = 2,286,815/x
3. Step 3: Cross multiply
   1,509,891x = 2,286,815 × 2,286,815
4. Step 4: Simplify right side
   1,509,891x = 5,229,522,844,225
5. Step 5: Solve for x
   x = 5,229,522,844,225/1,509,891
6. Step 6: Final answer
   x = 3,463,510.18