Finding the Third Proportional to 302,419 and 444,868.50

Step by Step Solution

1. Step 1: Write the proportion equation
   302,419 : 444,868.50 = 444,868.50 : x
2. Step 2: Convert to fraction form
   302,419/444,868.50 = 444,868.50/x
3. Step 3: Cross multiply
   302,419x = 444,868.50 × 444,868.50
4. Step 4: Simplify right side
   302,419x = 197,907,982,292.25
5. Step 5: Solve for x
   x = 197,907,982,292.25/302,419
6. Step 6: Final answer
   x = 654,416.50