Finding the Third Proportional to 245,811 and 332,110.50

Step by Step Solution

1. Step 1: Write the proportion equation
   245,811 : 332,110.50 = 332,110.50 : x
2. Step 2: Convert to fraction form
   245,811/332,110.50 = 332,110.50/x
3. Step 3: Cross multiply
   245,811x = 332,110.50 × 332,110.50
4. Step 4: Simplify right side
   245,811x = 110,297,384,210.25
5. Step 5: Solve for x
   x = 110,297,384,210.25/245,811
6. Step 6: Final answer
   x = 448,708.09