Finding the Third Proportional to 203,436 and 443,065

Step by Step Solution

1. Step 1: Write the proportion equation
   203,436 : 443,065 = 443,065 : x
2. Step 2: Convert to fraction form
   203,436/443,065 = 443,065/x
3. Step 3: Cross multiply
   203,436x = 443,065 × 443,065
4. Step 4: Simplify right side
   203,436x = 196,306,594,225
5. Step 5: Solve for x
   x = 196,306,594,225/203,436
6. Step 6: Final answer
   x = 964,955.04