Finding the Third Proportional to 111,058 and 242,828

Step by Step Solution

1. Step 1: Write the proportion equation
   111,058 : 242,828 = 242,828 : x
2. Step 2: Convert to fraction form
   111,058/242,828 = 242,828/x
3. Step 3: Cross multiply
   111,058x = 242,828 × 242,828
4. Step 4: Simplify right side
   111,058x = 58,965,437,584
5. Step 5: Solve for x
   x = 58,965,437,584/111,058
6. Step 6: Final answer
   x = 530,942.73