Finding the Third Proportional to 31,815.49 and 62,827.73

Step by Step Solution

1. Step 1: Write the proportion equation
   31,815.49 : 62,827.73 = 62,827.73 : x
2. Step 2: Convert to fraction form
   31,815.49/62,827.73 = 62,827.73/x
3. Step 3: Cross multiply
   31,815.49x = 62,827.73 × 62,827.73
4. Step 4: Simplify right side
   31,815.49x = 3,947,324,206.70
5. Step 5: Solve for x
   x = 3,947,324,206.70/31,815.49
6. Step 6: Final answer
   x = 124,069.25