Finding the Third Proportional to 517,707 and 1,112,259

Step by Step Solution

1. Step 1: Write the proportion equation
   517,707 : 1,112,259 = 1,112,259 : x
2. Step 2: Convert to fraction form
   517,707/1,112,259 = 1,112,259/x
3. Step 3: Cross multiply
   517,707x = 1,112,259 × 1,112,259
4. Step 4: Simplify right side
   517,707x = 1,237,120,083,081
5. Step 5: Solve for x
   x = 1,237,120,083,081/517,707
6. Step 6: Final answer
   x = 2,389,614.36