Finding the Third Proportional to 519,792 and 1,138,856

Step by Step Solution

1. Step 1: Write the proportion equation
   519,792 : 1,138,856 = 1,138,856 : x
2. Step 2: Convert to fraction form
   519,792/1,138,856 = 1,138,856/x
3. Step 3: Cross multiply
   519,792x = 1,138,856 × 1,138,856
4. Step 4: Simplify right side
   519,792x = 1,296,992,988,736
5. Step 5: Solve for x
   x = 1,296,992,988,736/519,792
6. Step 6: Final answer
   x = 2,495,215.37