Finding the Third Proportional to 111,988 and 161,358

Step by Step Solution

1. Step 1: Write the proportion equation
   111,988 : 161,358 = 161,358 : x
2. Step 2: Convert to fraction form
   111,988/161,358 = 161,358/x
3. Step 3: Cross multiply
   111,988x = 161,358 × 161,358
4. Step 4: Simplify right side
   111,988x = 26,036,404,164
5. Step 5: Solve for x
   x = 26,036,404,164/111,988
6. Step 6: Final answer
   x = 232,492.80