Finding the Third Proportional to 111,888 and 242,736

Step by Step Solution

1. Step 1: Write the proportion equation
   111,888 : 242,736 = 242,736 : x
2. Step 2: Convert to fraction form
   111,888/242,736 = 242,736/x
3. Step 3: Cross multiply
   111,888x = 242,736 × 242,736
4. Step 4: Simplify right side
   111,888x = 58,920,765,696
5. Step 5: Solve for x
   x = 58,920,765,696/111,888
6. Step 6: Final answer
   x = 526,604.87