Finding the Third Proportional to 237,330 and 317,029.50

Step by Step Solution

1. Step 1: Write the proportion equation
   237,330 : 317,029.50 = 317,029.50 : x
2. Step 2: Convert to fraction form
   237,330/317,029.50 = 317,029.50/x
3. Step 3: Cross multiply
   237,330x = 317,029.50 × 317,029.50
4. Step 4: Simplify right side
   237,330x = 100,507,703,870.25
5. Step 5: Solve for x
   x = 100,507,703,870.25/237,330
6. Step 6: Final answer
   x = 423,493.46