Finding the Third Proportional to 111,066 and 158,289

Step by Step Solution

1. Step 1: Write the proportion equation
   111,066 : 158,289 = 158,289 : x
2. Step 2: Convert to fraction form
   111,066/158,289 = 158,289/x
3. Step 3: Cross multiply
   111,066x = 158,289 × 158,289
4. Step 4: Simplify right side
   111,066x = 25,055,407,521
5. Step 5: Solve for x
   x = 25,055,407,521/111,066
6. Step 6: Final answer
   x = 225,590.26