Finding the Third Proportional to 326,901 and 499,864.50

Step by Step Solution

1. Step 1: Write the proportion equation
   326,901 : 499,864.50 = 499,864.50 : x
2. Step 2: Convert to fraction form
   326,901/499,864.50 = 499,864.50/x
3. Step 3: Cross multiply
   326,901x = 499,864.50 × 499,864.50
4. Step 4: Simplify right side
   326,901x = 249,864,518,360.25
5. Step 5: Solve for x
   x = 249,864,518,360.25/326,901
6. Step 6: Final answer
   x = 764,343.08