Finding the Third Proportional to 30,436 and 62,743

Step by Step Solution

1. Step 1: Write the proportion equation
   30,436 : 62,743 = 62,743 : x
2. Step 2: Convert to fraction form
   30,436/62,743 = 62,743/x
3. Step 3: Cross multiply
   30,436x = 62,743 × 62,743
4. Step 4: Simplify right side
   30,436x = 3,936,684,049
5. Step 5: Solve for x
   x = 3,936,684,049/30,436
6. Step 6: Final answer
   x = 129,343.02