Finding the Third Proportional to 111,054.38 and 158,274.56

Step by Step Solution

1. Step 1: Write the proportion equation
   111,054.38 : 158,274.56 = 158,274.56 : x
2. Step 2: Convert to fraction form
   111,054.38/158,274.56 = 158,274.56/x
3. Step 3: Cross multiply
   111,054.38x = 158,274.56 × 158,274.56
4. Step 4: Simplify right side
   111,054.38x = 25,050,837,134.57
5. Step 5: Solve for x
   x = 25,050,837,134.57/111,054.38
6. Step 6: Final answer
   x = 225,572.72