Finding the Third Proportional to 279,837 and 443,824.50

Step by Step Solution

1. Step 1: Write the proportion equation
   279,837 : 443,824.50 = 443,824.50 : x
2. Step 2: Convert to fraction form
   279,837/443,824.50 = 443,824.50/x
3. Step 3: Cross multiply
   279,837x = 443,824.50 × 443,824.50
4. Step 4: Simplify right side
   279,837x = 196,980,186,800.25
5. Step 5: Solve for x
   x = 196,980,186,800.25/279,837
6. Step 6: Final answer
   x = 703,910.44