Finding the Third Proportional to 60,620 and 131,608

Step by Step Solution

1. Step 1: Write the proportion equation
   60,620 : 131,608 = 131,608 : x
2. Step 2: Convert to fraction form
   60,620/131,608 = 131,608/x
3. Step 3: Cross multiply
   60,620x = 131,608 × 131,608
4. Step 4: Simplify right side
   60,620x = 17,320,665,664
5. Step 5: Solve for x
   x = 17,320,665,664/60,620
6. Step 6: Final answer
   x = 285,725.27