Finding the Third Proportional to 339,106.50 and 524,250

Step by Step Solution

1. Step 1: Write the proportion equation
   339,106.50 : 524,250 = 524,250 : x
2. Step 2: Convert to fraction form
   339,106.50/524,250 = 524,250/x
3. Step 3: Cross multiply
   339,106.50x = 524,250 × 524,250
4. Step 4: Simplify right side
   339,106.50x = 274,838,062,500
5. Step 5: Solve for x
   x = 274,838,062,500/339,106.50
6. Step 6: Final answer
   x = 810,477.13