Finding the Third Proportional to 50,690 and 105,988

Step by Step Solution

1. Step 1: Write the proportion equation
   50,690 : 105,988 = 105,988 : x
2. Step 2: Convert to fraction form
   50,690/105,988 = 105,988/x
3. Step 3: Cross multiply
   50,690x = 105,988 × 105,988
4. Step 4: Simplify right side
   50,690x = 11,233,456,144
5. Step 5: Solve for x
   x = 11,233,456,144/50,690
6. Step 6: Final answer
   x = 221,610.89