Finding the Third Proportional to 206,945 and 443,406

Step by Step Solution

1. Step 1: Write the proportion equation
   206,945 : 443,406 = 443,406 : x
2. Step 2: Convert to fraction form
   206,945/443,406 = 443,406/x
3. Step 3: Cross multiply
   206,945x = 443,406 × 443,406
4. Step 4: Simplify right side
   206,945x = 196,608,880,836
5. Step 5: Solve for x
   x = 196,608,880,836/206,945
6. Step 6: Final answer
   x = 950,053.79