Finding the Third Proportional to 61,289 and 131,960

Step by Step Solution

1. Step 1: Write the proportion equation
   61,289 : 131,960 = 131,960 : x
2. Step 2: Convert to fraction form
   61,289/131,960 = 131,960/x
3. Step 3: Cross multiply
   61,289x = 131,960 × 131,960
4. Step 4: Simplify right side
   61,289x = 17,413,441,600
5. Step 5: Solve for x
   x = 17,413,441,600/61,289
6. Step 6: Final answer
   x = 284,120.18