Finding the Third Proportional to 363,540 and 773,736

Step by Step Solution

1. Step 1: Write the proportion equation
   363,540 : 773,736 = 773,736 : x
2. Step 2: Convert to fraction form
   363,540/773,736 = 773,736/x
3. Step 3: Cross multiply
   363,540x = 773,736 × 773,736
4. Step 4: Simplify right side
   363,540x = 598,667,397,696
5. Step 5: Solve for x
   x = 598,667,397,696/363,540
6. Step 6: Final answer
   x = 1,646,771.74