Finding the Third Proportional to 1,139,589 and 2,431,722

Step by Step Solution

1. Step 1: Write the proportion equation
   1,139,589 : 2,431,722 = 2,431,722 : x
2. Step 2: Convert to fraction form
   1,139,589/2,431,722 = 2,431,722/x
3. Step 3: Cross multiply
   1,139,589x = 2,431,722 × 2,431,722
4. Step 4: Simplify right side
   1,139,589x = 5,913,271,885,284
5. Step 5: Solve for x
   x = 5,913,271,885,284/1,139,589
6. Step 6: Final answer
   x = 5,188,951.35