Finding the Third Proportional to 239,814 and 351,944.50

Step by Step Solution

1. Step 1: Write the proportion equation
   239,814 : 351,944.50 = 351,944.50 : x
2. Step 2: Convert to fraction form
   239,814/351,944.50 = 351,944.50/x
3. Step 3: Cross multiply
   239,814x = 351,944.50 × 351,944.50
4. Step 4: Simplify right side
   239,814x = 123,864,931,080.25
5. Step 5: Solve for x
   x = 123,864,931,080.25/239,814
6. Step 6: Final answer
   x = 516,504.17