Finding the Third Proportional to 111,066 and 158,290

Step by Step Solution

1. Step 1: Write the proportion equation
   111,066 : 158,290 = 158,290 : x
2. Step 2: Convert to fraction form
   111,066/158,290 = 158,290/x
3. Step 3: Cross multiply
   111,066x = 158,290 × 158,290
4. Step 4: Simplify right side
   111,066x = 25,055,724,100
5. Step 5: Solve for x
   x = 25,055,724,100/111,066
6. Step 6: Final answer
   x = 225,593.11