Finding the Third Proportional to 60,648 and 131,656

Step by Step Solution

1. Step 1: Write the proportion equation
   60,648 : 131,656 = 131,656 : x
2. Step 2: Convert to fraction form
   60,648/131,656 = 131,656/x
3. Step 3: Cross multiply
   60,648x = 131,656 × 131,656
4. Step 4: Simplify right side
   60,648x = 17,333,302,336
5. Step 5: Solve for x
   x = 17,333,302,336/60,648
6. Step 6: Final answer
   x = 285,801.71