Finding the Third Proportional to 302,559 and 401,350.50

Step by Step Solution

1. Step 1: Write the proportion equation
   302,559 : 401,350.50 = 401,350.50 : x
2. Step 2: Convert to fraction form
   302,559/401,350.50 = 401,350.50/x
3. Step 3: Cross multiply
   302,559x = 401,350.50 × 401,350.50
4. Step 4: Simplify right side
   302,559x = 161,082,223,850.25
5. Step 5: Solve for x
   x = 161,082,223,850.25/302,559
6. Step 6: Final answer
   x = 532,399.38