Finding the Third Proportional to 206,896 and 443,320

Step by Step Solution

1. Step 1: Write the proportion equation
   206,896 : 443,320 = 443,320 : x
2. Step 2: Convert to fraction form
   206,896/443,320 = 443,320/x
3. Step 3: Cross multiply
   206,896x = 443,320 × 443,320
4. Step 4: Simplify right side
   206,896x = 196,532,622,400
5. Step 5: Solve for x
   x = 196,532,622,400/206,896
6. Step 6: Final answer
   x = 949,910.21