Finding the Third Proportional to 80,307 and 171,726

Step by Step Solution

1. Step 1: Write the proportion equation
   80,307 : 171,726 = 171,726 : x
2. Step 2: Convert to fraction form
   80,307/171,726 = 171,726/x
3. Step 3: Cross multiply
   80,307x = 171,726 × 171,726
4. Step 4: Simplify right side
   80,307x = 29,489,819,076
5. Step 5: Solve for x
   x = 29,489,819,076/80,307
6. Step 6: Final answer
   x = 367,213.56