Finding the Third Proportional to 108,309 and 237,540

Step by Step Solution

1. Step 1: Write the proportion equation
   108,309 : 237,540 = 237,540 : x
2. Step 2: Convert to fraction form
   108,309/237,540 = 237,540/x
3. Step 3: Cross multiply
   108,309x = 237,540 × 237,540
4. Step 4: Simplify right side
   108,309x = 56,425,251,600
5. Step 5: Solve for x
   x = 56,425,251,600/108,309
6. Step 6: Final answer
   x = 520,965.49