Finding the Third Proportional to 339,027 and 498,028.50

Step by Step Solution

1. Step 1: Write the proportion equation
   339,027 : 498,028.50 = 498,028.50 : x
2. Step 2: Convert to fraction form
   339,027/498,028.50 = 498,028.50/x
3. Step 3: Cross multiply
   339,027x = 498,028.50 × 498,028.50
4. Step 4: Simplify right side
   339,027x = 248,032,386,812.25
5. Step 5: Solve for x
   x = 248,032,386,812.25/339,027
6. Step 6: Final answer
   x = 731,600.69