Finding the Third Proportional to 279,856 and 443,851.75

Step by Step Solution

1. Step 1: Write the proportion equation
   279,856 : 443,851.75 = 443,851.75 : x
2. Step 2: Convert to fraction form
   279,856/443,851.75 = 443,851.75/x
3. Step 3: Cross multiply
   279,856x = 443,851.75 × 443,851.75
4. Step 4: Simplify right side
   279,856x = 197,004,375,978.06
5. Step 5: Solve for x
   x = 197,004,375,978.06/279,856
6. Step 6: Final answer
   x = 703,949.09