Finding the Third Proportional to 203,586 and 443,311.50

Step by Step Solution

1. Step 1: Write the proportion equation
   203,586 : 443,311.50 = 443,311.50 : x
2. Step 2: Convert to fraction form
   203,586/443,311.50 = 443,311.50/x
3. Step 3: Cross multiply
   203,586x = 443,311.50 × 443,311.50
4. Step 4: Simplify right side
   203,586x = 196,525,086,032.25
5. Step 5: Solve for x
   x = 196,525,086,032.25/203,586
6. Step 6: Final answer
   x = 965,317.29