Finding the Third Proportional to 59,436 and 129,114

Step by Step Solution

1. Step 1: Write the proportion equation
   59,436 : 129,114 = 129,114 : x
2. Step 2: Convert to fraction form
   59,436/129,114 = 129,114/x
3. Step 3: Cross multiply
   59,436x = 129,114 × 129,114
4. Step 4: Simplify right side
   59,436x = 16,670,424,996
5. Step 5: Solve for x
   x = 16,670,424,996/59,436
6. Step 6: Final answer
   x = 280,476.90