Finding the Third Proportional to 206,885 and 443,293

Step by Step Solution

1. Step 1: Write the proportion equation
   206,885 : 443,293 = 443,293 : x
2. Step 2: Convert to fraction form
   206,885/443,293 = 443,293/x
3. Step 3: Cross multiply
   206,885x = 443,293 × 443,293
4. Step 4: Simplify right side
   206,885x = 196,508,683,849
5. Step 5: Solve for x
   x = 196,508,683,849/206,885
6. Step 6: Final answer
   x = 949,845.00