Finding the Third Proportional to 109,330 and 237,900

Step by Step Solution

1. Step 1: Write the proportion equation
   109,330 : 237,900 = 237,900 : x
2. Step 2: Convert to fraction form
   109,330/237,900 = 237,900/x
3. Step 3: Cross multiply
   109,330x = 237,900 × 237,900
4. Step 4: Simplify right side
   109,330x = 56,596,410,000
5. Step 5: Solve for x
   x = 56,596,410,000/109,330
6. Step 6: Final answer
   x = 517,665.87