Finding the Third Proportional to 335,436 and 723,384

Step by Step Solution

1. Step 1: Write the proportion equation
   335,436 : 723,384 = 723,384 : x
2. Step 2: Convert to fraction form
   335,436/723,384 = 723,384/x
3. Step 3: Cross multiply
   335,436x = 723,384 × 723,384
4. Step 4: Simplify right side
   335,436x = 523,284,411,456
5. Step 5: Solve for x
   x = 523,284,411,456/335,436
6. Step 6: Final answer
   x = 1,560,012.67