Finding the Third Proportional to 108,988 and 168,828

Step by Step Solution

1. Step 1: Write the proportion equation
   108,988 : 168,828 = 168,828 : x
2. Step 2: Convert to fraction form
   108,988/168,828 = 168,828/x
3. Step 3: Cross multiply
   108,988x = 168,828 × 168,828
4. Step 4: Simplify right side
   108,988x = 28,502,893,584
5. Step 5: Solve for x
   x = 28,502,893,584/108,988
6. Step 6: Final answer
   x = 261,523.23