Finding the Third Proportional to 60,144.75 and 131,564.25

Step by Step Solution

1. Step 1: Write the proportion equation
   60,144.75 : 131,564.25 = 131,564.25 : x
2. Step 2: Convert to fraction form
   60,144.75/131,564.25 = 131,564.25/x
3. Step 3: Cross multiply
   60,144.75x = 131,564.25 × 131,564.25
4. Step 4: Simplify right side
   60,144.75x = 17,309,151,878.06
5. Step 5: Solve for x
   x = 17,309,151,878.06/60,144.75
6. Step 6: Final answer
   x = 287,791.57