Finding the Third Proportional to 71,223 and 110,719.50

Step by Step Solution

1. Step 1: Write the proportion equation
   71,223 : 110,719.50 = 110,719.50 : x
2. Step 2: Convert to fraction form
   71,223/110,719.50 = 110,719.50/x
3. Step 3: Cross multiply
   71,223x = 110,719.50 × 110,719.50
4. Step 4: Simplify right side
   71,223x = 12,258,807,680.25
5. Step 5: Solve for x
   x = 12,258,807,680.25/71,223
6. Step 6: Final answer
   x = 172,118.67