Finding the Third Proportional to 279,713 and 443,614

Step by Step Solution

1. Step 1: Write the proportion equation
   279,713 : 443,614 = 443,614 : x
2. Step 2: Convert to fraction form
   279,713/443,614 = 443,614/x
3. Step 3: Cross multiply
   279,713x = 443,614 × 443,614
4. Step 4: Simplify right side
   279,713x = 196,793,380,996
5. Step 5: Solve for x
   x = 196,793,380,996/279,713
6. Step 6: Final answer
   x = 703,554.65