Finding the Third Proportional to 111,940 and 168,988

Step by Step Solution

1. Step 1: Write the proportion equation
   111,940 : 168,988 = 168,988 : x
2. Step 2: Convert to fraction form
   111,940/168,988 = 168,988/x
3. Step 3: Cross multiply
   111,940x = 168,988 × 168,988
4. Step 4: Simplify right side
   111,940x = 28,556,944,144
5. Step 5: Solve for x
   x = 28,556,944,144/111,940
6. Step 6: Final answer
   x = 255,109.38