Finding the Third Proportional to 41,722 and 86,360

Step by Step Solution

1. Step 1: Write the proportion equation
   41,722 : 86,360 = 86,360 : x
2. Step 2: Convert to fraction form
   41,722/86,360 = 86,360/x
3. Step 3: Cross multiply
   41,722x = 86,360 × 86,360
4. Step 4: Simplify right side
   41,722x = 7,458,049,600
5. Step 5: Solve for x
   x = 7,458,049,600/41,722
6. Step 6: Final answer
   x = 178,755.80