Finding the Third Proportional to 339,133.50 and 524,880

Step by Step Solution

1. Step 1: Write the proportion equation
   339,133.50 : 524,880 = 524,880 : x
2. Step 2: Convert to fraction form
   339,133.50/524,880 = 524,880/x
3. Step 3: Cross multiply
   339,133.50x = 524,880 × 524,880
4. Step 4: Simplify right side
   339,133.50x = 275,499,014,400
5. Step 5: Solve for x
   x = 275,499,014,400/339,133.50
6. Step 6: Final answer
   x = 812,361.55