Finding the Third Proportional to 31,808 and 62,812

Step by Step Solution

1. Step 1: Write the proportion equation
   31,808 : 62,812 = 62,812 : x
2. Step 2: Convert to fraction form
   31,808/62,812 = 62,812/x
3. Step 3: Cross multiply
   31,808x = 62,812 × 62,812
4. Step 4: Simplify right side
   31,808x = 3,945,347,344
5. Step 5: Solve for x
   x = 3,945,347,344/31,808
6. Step 6: Final answer
   x = 124,036.32