Finding the Third Proportional to 1,139,586 and 2,431,716

Step by Step Solution

1. Step 1: Write the proportion equation
   1,139,586 : 2,431,716 = 2,431,716 : x
2. Step 2: Convert to fraction form
   1,139,586/2,431,716 = 2,431,716/x
3. Step 3: Cross multiply
   1,139,586x = 2,431,716 × 2,431,716
4. Step 4: Simplify right side
   1,139,586x = 5,913,242,704,656
5. Step 5: Solve for x
   x = 5,913,242,704,656/1,139,586
6. Step 6: Final answer
   x = 5,188,939.41