Finding the Third Proportional to 500,856 and 1,113,678

Step by Step Solution

1. Step 1: Write the proportion equation
   500,856 : 1,113,678 = 1,113,678 : x
2. Step 2: Convert to fraction form
   500,856/1,113,678 = 1,113,678/x
3. Step 3: Cross multiply
   500,856x = 1,113,678 × 1,113,678
4. Step 4: Simplify right side
   500,856x = 1,240,278,687,684
5. Step 5: Solve for x
   x = 1,240,278,687,684/500,856
6. Step 6: Final answer
   x = 2,476,317.92