Finding the Third Proportional to 203,485.50 and 441,990

Step by Step Solution

1. Step 1: Write the proportion equation
   203,485.50 : 441,990 = 441,990 : x
2. Step 2: Convert to fraction form
   203,485.50/441,990 = 441,990/x
3. Step 3: Cross multiply
   203,485.50x = 441,990 × 441,990
4. Step 4: Simplify right side
   203,485.50x = 195,355,160,100
5. Step 5: Solve for x
   x = 195,355,160,100/203,485.50
6. Step 6: Final answer
   x = 960,044.62