Finding the Third Proportional to 1,139,606 and 2,431,756

Step by Step Solution

1. Step 1: Write the proportion equation
   1,139,606 : 2,431,756 = 2,431,756 : x
2. Step 2: Convert to fraction form
   1,139,606/2,431,756 = 2,431,756/x
3. Step 3: Cross multiply
   1,139,606x = 2,431,756 × 2,431,756
4. Step 4: Simplify right side
   1,139,606x = 5,913,437,243,536
5. Step 5: Solve for x
   x = 5,913,437,243,536/1,139,606
6. Step 6: Final answer
   x = 5,189,019.05