Finding the Third Proportional to 279,844 and 443,836

Step by Step Solution

1. Step 1: Write the proportion equation
   279,844 : 443,836 = 443,836 : x
2. Step 2: Convert to fraction form
   279,844/443,836 = 443,836/x
3. Step 3: Cross multiply
   279,844x = 443,836 × 443,836
4. Step 4: Simplify right side
   279,844x = 196,990,394,896
5. Step 5: Solve for x
   x = 196,990,394,896/279,844
6. Step 6: Final answer
   x = 703,929.31