Finding the Third Proportional to 110,719.50 and 162,388.50

Step by Step Solution

1. Step 1: Write the proportion equation
   110,719.50 : 162,388.50 = 162,388.50 : x
2. Step 2: Convert to fraction form
   110,719.50/162,388.50 = 162,388.50/x
3. Step 3: Cross multiply
   110,719.50x = 162,388.50 × 162,388.50
4. Step 4: Simplify right side
   110,719.50x = 26,370,024,932.25
5. Step 5: Solve for x
   x = 26,370,024,932.25/110,719.50
6. Step 6: Final answer
   x = 238,169.65