Finding the Third Proportional to 1,431,828 and 3,087,846

Step by Step Solution

1. Step 1: Write the proportion equation
   1,431,828 : 3,087,846 = 3,087,846 : x
2. Step 2: Convert to fraction form
   1,431,828/3,087,846 = 3,087,846/x
3. Step 3: Cross multiply
   1,431,828x = 3,087,846 × 3,087,846
4. Step 4: Simplify right side
   1,431,828x = 9,534,792,919,716
5. Step 5: Solve for x
   x = 9,534,792,919,716/1,431,828
6. Step 6: Final answer
   x = 6,659,174.79