Finding the Third Proportional to 271,444.50 and 443,623.50

Step by Step Solution

1. Step 1: Write the proportion equation
   271,444.50 : 443,623.50 = 443,623.50 : x
2. Step 2: Convert to fraction form
   271,444.50/443,623.50 = 443,623.50/x
3. Step 3: Cross multiply
   271,444.50x = 443,623.50 × 443,623.50
4. Step 4: Simplify right side
   271,444.50x = 196,801,809,752.25
5. Step 5: Solve for x
   x = 196,801,809,752.25/271,444.50
6. Step 6: Final answer
   x = 725,016.75