Finding the Third Proportional to 486,771 and 726,103.50

Step by Step Solution

1. Step 1: Write the proportion equation
   486,771 : 726,103.50 = 726,103.50 : x
2. Step 2: Convert to fraction form
   486,771/726,103.50 = 726,103.50/x
3. Step 3: Cross multiply
   486,771x = 726,103.50 × 726,103.50
4. Step 4: Simplify right side
   486,771x = 527,226,292,712.25
5. Step 5: Solve for x
   x = 527,226,292,712.25/486,771
6. Step 6: Final answer
   x = 1,083,109.50