Finding the Third Proportional to 111,076 and 239,892

Step by Step Solution

1. Step 1: Write the proportion equation
   111,076 : 239,892 = 239,892 : x
2. Step 2: Convert to fraction form
   111,076/239,892 = 239,892/x
3. Step 3: Cross multiply
   111,076x = 239,892 × 239,892
4. Step 4: Simplify right side
   111,076x = 57,548,171,664
5. Step 5: Solve for x
   x = 57,548,171,664/111,076
6. Step 6: Final answer
   x = 518,097.26