Finding the Third Proportional to 111,521.25 and 158,969.25

Step by Step Solution

1. Step 1: Write the proportion equation
   111,521.25 : 158,969.25 = 158,969.25 : x
2. Step 2: Convert to fraction form
   111,521.25/158,969.25 = 158,969.25/x
3. Step 3: Cross multiply
   111,521.25x = 158,969.25 × 158,969.25
4. Step 4: Simplify right side
   111,521.25x = 25,271,222,445.56
5. Step 5: Solve for x
   x = 25,271,222,445.56/111,521.25
6. Step 6: Final answer
   x = 226,604.55