Finding the Third Proportional to 60,656 and 131,536

Step by Step Solution

1. Step 1: Write the proportion equation
   60,656 : 131,536 = 131,536 : x
2. Step 2: Convert to fraction form
   60,656/131,536 = 131,536/x
3. Step 3: Cross multiply
   60,656x = 131,536 × 131,536
4. Step 4: Simplify right side
   60,656x = 17,301,719,296
5. Step 5: Solve for x
   x = 17,301,719,296/60,656
6. Step 6: Final answer
   x = 285,243.33