Finding the Third Proportional to 111,868.50 and 162,520.50

Step by Step Solution

1. Step 1: Write the proportion equation
   111,868.50 : 162,520.50 = 162,520.50 : x
2. Step 2: Convert to fraction form
   111,868.50/162,520.50 = 162,520.50/x
3. Step 3: Cross multiply
   111,868.50x = 162,520.50 × 162,520.50
4. Step 4: Simplify right side
   111,868.50x = 26,412,912,920.25
5. Step 5: Solve for x
   x = 26,412,912,920.25/111,868.50
6. Step 6: Final answer
   x = 236,106.79