Finding the Third Proportional to 31,204 and 63,866

Step by Step Solution

1. Step 1: Write the proportion equation
   31,204 : 63,866 = 63,866 : x
2. Step 2: Convert to fraction form
   31,204/63,866 = 63,866/x
3. Step 3: Cross multiply
   31,204x = 63,866 × 63,866
4. Step 4: Simplify right side
   31,204x = 4,078,865,956
5. Step 5: Solve for x
   x = 4,078,865,956/31,204
6. Step 6: Final answer
   x = 130,716.12