Finding the Third Proportional to 203,544 and 324,085.50

Step by Step Solution

1. Step 1: Write the proportion equation
   203,544 : 324,085.50 = 324,085.50 : x
2. Step 2: Convert to fraction form
   203,544/324,085.50 = 324,085.50/x
3. Step 3: Cross multiply
   203,544x = 324,085.50 × 324,085.50
4. Step 4: Simplify right side
   203,544x = 105,031,411,310.25
5. Step 5: Solve for x
   x = 105,031,411,310.25/203,544
6. Step 6: Final answer
   x = 516,013.30