Finding the Third Proportional to 59,436 and 129,936

Step by Step Solution

1. Step 1: Write the proportion equation
   59,436 : 129,936 = 129,936 : x
2. Step 2: Convert to fraction form
   59,436/129,936 = 129,936/x
3. Step 3: Cross multiply
   59,436x = 129,936 × 129,936
4. Step 4: Simplify right side
   59,436x = 16,883,364,096
5. Step 5: Solve for x
   x = 16,883,364,096/59,436
6. Step 6: Final answer
   x = 284,059.56