Finding the Third Proportional to 212,049 and 324,868.50

Step by Step Solution

1. Step 1: Write the proportion equation
   212,049 : 324,868.50 = 324,868.50 : x
2. Step 2: Convert to fraction form
   212,049/324,868.50 = 324,868.50/x
3. Step 3: Cross multiply
   212,049x = 324,868.50 × 324,868.50
4. Step 4: Simplify right side
   212,049x = 105,539,542,292.25
5. Step 5: Solve for x
   x = 105,539,542,292.25/212,049
6. Step 6: Final answer
   x = 497,712.99