Finding the Third Proportional to 31,858 and 62,930

Step by Step Solution

1. Step 1: Write the proportion equation
   31,858 : 62,930 = 62,930 : x
2. Step 2: Convert to fraction form
   31,858/62,930 = 62,930/x
3. Step 3: Cross multiply
   31,858x = 62,930 × 62,930
4. Step 4: Simplify right side
   31,858x = 3,960,184,900
5. Step 5: Solve for x
   x = 3,960,184,900/31,858
6. Step 6: Final answer
   x = 124,307.39