Finding the Third Proportional to 111,631.50 and 167,467.50

Step by Step Solution

1. Step 1: Write the proportion equation
   111,631.50 : 167,467.50 = 167,467.50 : x
2. Step 2: Convert to fraction form
   111,631.50/167,467.50 = 167,467.50/x
3. Step 3: Cross multiply
   111,631.50x = 167,467.50 × 167,467.50
4. Step 4: Simplify right side
   111,631.50x = 28,045,363,556.25
5. Step 5: Solve for x
   x = 28,045,363,556.25/111,631.50
6. Step 6: Final answer
   x = 251,231.63