Finding the Third Proportional to 206,923 and 443,363

Step by Step Solution

1. Step 1: Write the proportion equation
   206,923 : 443,363 = 443,363 : x
2. Step 2: Convert to fraction form
   206,923/443,363 = 443,363/x
3. Step 3: Cross multiply
   206,923x = 443,363 × 443,363
4. Step 4: Simplify right side
   206,923x = 196,570,749,769
5. Step 5: Solve for x
   x = 196,570,749,769/206,923
6. Step 6: Final answer
   x = 949,970.52