Finding the Third Proportional to 279,843 and 443,833.50

Step by Step Solution

1. Step 1: Write the proportion equation
   279,843 : 443,833.50 = 443,833.50 : x
2. Step 2: Convert to fraction form
   279,843/443,833.50 = 443,833.50/x
3. Step 3: Cross multiply
   279,843x = 443,833.50 × 443,833.50
4. Step 4: Simplify right side
   279,843x = 196,988,175,722.25
5. Step 5: Solve for x
   x = 196,988,175,722.25/279,843
6. Step 6: Final answer
   x = 703,923.90