Finding the Third Proportional to 206,879.25 and 443,283

Step by Step Solution

1. Step 1: Write the proportion equation
   206,879.25 : 443,283 = 443,283 : x
2. Step 2: Convert to fraction form
   206,879.25/443,283 = 443,283/x
3. Step 3: Cross multiply
   206,879.25x = 443,283 × 443,283
4. Step 4: Simplify right side
   206,879.25x = 196,499,818,089
5. Step 5: Solve for x
   x = 196,499,818,089/206,879.25
6. Step 6: Final answer
   x = 949,828.55