Finding the Third Proportional to 1,135,240 and 1,707,642

Step by Step Solution

1. Step 1: Write the proportion equation
   1,135,240 : 1,707,642 = 1,707,642 : x
2. Step 2: Convert to fraction form
   1,135,240/1,707,642 = 1,707,642/x
3. Step 3: Cross multiply
   1,135,240x = 1,707,642 × 1,707,642
4. Step 4: Simplify right side
   1,135,240x = 2,916,041,200,164
5. Step 5: Solve for x
   x = 2,916,041,200,164/1,135,240
6. Step 6: Final answer
   x = 2,568,656.14