Finding the Third Proportional to 326,737 and 499,717.50

Step by Step Solution

1. Step 1: Write the proportion equation
   326,737 : 499,717.50 = 499,717.50 : x
2. Step 2: Convert to fraction form
   326,737/499,717.50 = 499,717.50/x
3. Step 3: Cross multiply
   326,737x = 499,717.50 × 499,717.50
4. Step 4: Simplify right side
   326,737x = 249,717,579,806.25
5. Step 5: Solve for x
   x = 249,717,579,806.25/326,737
6. Step 6: Final answer
   x = 764,277.02