Finding the Third Proportional to 443,674.50 and 724,402.50

Step by Step Solution

1. Step 1: Write the proportion equation
   443,674.50 : 724,402.50 = 724,402.50 : x
2. Step 2: Convert to fraction form
   443,674.50/724,402.50 = 724,402.50/x
3. Step 3: Cross multiply
   443,674.50x = 724,402.50 × 724,402.50
4. Step 4: Simplify right side
   443,674.50x = 524,758,982,006.25
5. Step 5: Solve for x
   x = 524,758,982,006.25/443,674.50
6. Step 6: Final answer
   x = 1,182,756.69