Finding the Third Proportional to 206,886 and 443,295

Step by Step Solution

1. Step 1: Write the proportion equation
   206,886 : 443,295 = 443,295 : x
2. Step 2: Convert to fraction form
   206,886/443,295 = 443,295/x
3. Step 3: Cross multiply
   206,886x = 443,295 × 443,295
4. Step 4: Simplify right side
   206,886x = 196,510,457,025
5. Step 5: Solve for x
   x = 196,510,457,025/206,886
6. Step 6: Final answer
   x = 949,848.98