Finding the Third Proportional to 339,535.50 and 719,544

Step by Step Solution

1. Step 1: Write the proportion equation
   339,535.50 : 719,544 = 719,544 : x
2. Step 2: Convert to fraction form
   339,535.50/719,544 = 719,544/x
3. Step 3: Cross multiply
   339,535.50x = 719,544 × 719,544
4. Step 4: Simplify right side
   339,535.50x = 517,743,567,936
5. Step 5: Solve for x
   x = 517,743,567,936/339,535.50
6. Step 6: Final answer
   x = 1,524,858.43