Finding the Third Proportional to 71,659.50 and 110,243.25

Step by Step Solution

1. Step 1: Write the proportion equation
   71,659.50 : 110,243.25 = 110,243.25 : x
2. Step 2: Convert to fraction form
   71,659.50/110,243.25 = 110,243.25/x
3. Step 3: Cross multiply
   71,659.50x = 110,243.25 × 110,243.25
4. Step 4: Simplify right side
   71,659.50x = 12,153,574,170.56
5. Step 5: Solve for x
   x = 12,153,574,170.56/71,659.50
6. Step 6: Final answer
   x = 169,601.72