Finding the Third Proportional to 111,325 and 166,988

Step by Step Solution

1. Step 1: Write the proportion equation
   111,325 : 166,988 = 166,988 : x
2. Step 2: Convert to fraction form
   111,325/166,988 = 166,988/x
3. Step 3: Cross multiply
   111,325x = 166,988 × 166,988
4. Step 4: Simplify right side
   111,325x = 27,884,992,144
5. Step 5: Solve for x
   x = 27,884,992,144/111,325
6. Step 6: Final answer
   x = 250,482.75