Finding the Third Proportional to 206,940 and 443,396

Step by Step Solution

1. Step 1: Write the proportion equation
   206,940 : 443,396 = 443,396 : x
2. Step 2: Convert to fraction form
   206,940/443,396 = 443,396/x
3. Step 3: Cross multiply
   206,940x = 443,396 × 443,396
4. Step 4: Simplify right side
   206,940x = 196,600,012,816
5. Step 5: Solve for x
   x = 196,600,012,816/206,940
6. Step 6: Final answer
   x = 950,033.89