Finding the Third Proportional to 108,910 and 239,892

Step by Step Solution

1. Step 1: Write the proportion equation
   108,910 : 239,892 = 239,892 : x
2. Step 2: Convert to fraction form
   108,910/239,892 = 239,892/x
3. Step 3: Cross multiply
   108,910x = 239,892 × 239,892
4. Step 4: Simplify right side
   108,910x = 57,548,171,664
5. Step 5: Solve for x
   x = 57,548,171,664/108,910
6. Step 6: Final answer
   x = 528,401.17