Finding the Third Proportional to 111,409.50 and 167,647.50

Step by Step Solution

1. Step 1: Write the proportion equation
   111,409.50 : 167,647.50 = 167,647.50 : x
2. Step 2: Convert to fraction form
   111,409.50/167,647.50 = 167,647.50/x
3. Step 3: Cross multiply
   111,409.50x = 167,647.50 × 167,647.50
4. Step 4: Simplify right side
   111,409.50x = 28,105,684,256.25
5. Step 5: Solve for x
   x = 28,105,684,256.25/111,409.50
6. Step 6: Final answer
   x = 252,273.68