Finding the Third Proportional to 237,813 and 326,099.50

Step by Step Solution

1. Step 1: Write the proportion equation
   237,813 : 326,099.50 = 326,099.50 : x
2. Step 2: Convert to fraction form
   237,813/326,099.50 = 326,099.50/x
3. Step 3: Cross multiply
   237,813x = 326,099.50 × 326,099.50
4. Step 4: Simplify right side
   237,813x = 106,340,883,900.25
5. Step 5: Solve for x
   x = 106,340,883,900.25/237,813
6. Step 6: Final answer
   x = 447,161.78