Finding the Third Proportional to 31,778 and 62,757

Step by Step Solution

1. Step 1: Write the proportion equation
   31,778 : 62,757 = 62,757 : x
2. Step 2: Convert to fraction form
   31,778/62,757 = 62,757/x
3. Step 3: Cross multiply
   31,778x = 62,757 × 62,757
4. Step 4: Simplify right side
   31,778x = 3,938,441,049
5. Step 5: Solve for x
   x = 3,938,441,049/31,778
6. Step 6: Final answer
   x = 123,936.09