Finding the Third Proportional to 86,578 and 131,014

Step by Step Solution

1. Step 1: Write the proportion equation
   86,578 : 131,014 = 131,014 : x
2. Step 2: Convert to fraction form
   86,578/131,014 = 131,014/x
3. Step 3: Cross multiply
   86,578x = 131,014 × 131,014
4. Step 4: Simplify right side
   86,578x = 17,164,668,196
5. Step 5: Solve for x
   x = 17,164,668,196/86,578
6. Step 6: Final answer
   x = 198,256.70