Finding the Third Proportional to 362,517 and 777,540

Step by Step Solution

1. Step 1: Write the proportion equation
   362,517 : 777,540 = 777,540 : x
2. Step 2: Convert to fraction form
   362,517/777,540 = 777,540/x
3. Step 3: Cross multiply
   362,517x = 777,540 × 777,540
4. Step 4: Simplify right side
   362,517x = 604,568,451,600
5. Step 5: Solve for x
   x = 604,568,451,600/362,517
6. Step 6: Final answer
   x = 1,667,696.83