Finding the Third Proportional to 91,168 and 140,048

Step by Step Solution

1. Step 1: Write the proportion equation
   91,168 : 140,048 = 140,048 : x
2. Step 2: Convert to fraction form
   91,168/140,048 = 140,048/x
3. Step 3: Cross multiply
   91,168x = 140,048 × 140,048
4. Step 4: Simplify right side
   91,168x = 19,613,442,304
5. Step 5: Solve for x
   x = 19,613,442,304/91,168
6. Step 6: Final answer
   x = 215,135.16