Finding the Third Proportional to 111,696 and 240,888

Step by Step Solution

1. Step 1: Write the proportion equation
   111,696 : 240,888 = 240,888 : x
2. Step 2: Convert to fraction form
   111,696/240,888 = 240,888/x
3. Step 3: Cross multiply
   111,696x = 240,888 × 240,888
4. Step 4: Simplify right side
   111,696x = 58,027,028,544
5. Step 5: Solve for x
   x = 58,027,028,544/111,696
6. Step 6: Final answer
   x = 519,508.56