Finding the Third Proportional to 367,404 and 520,019

Step by Step Solution

1. Step 1: Write the proportion equation
   367,404 : 520,019 = 520,019 : x
2. Step 2: Convert to fraction form
   367,404/520,019 = 520,019/x
3. Step 3: Cross multiply
   367,404x = 520,019 × 520,019
4. Step 4: Simplify right side
   367,404x = 270,419,760,361
5. Step 5: Solve for x
   x = 270,419,760,361/367,404
6. Step 6: Final answer
   x = 736,028.35