Finding the Third Proportional to 31,660 and 49,020

Step by Step Solution

1. Step 1: Write the proportion equation
   31,660 : 49,020 = 49,020 : x
2. Step 2: Convert to fraction form
   31,660/49,020 = 49,020/x
3. Step 3: Cross multiply
   31,660x = 49,020 × 49,020
4. Step 4: Simplify right side
   31,660x = 2,402,960,400
5. Step 5: Solve for x
   x = 2,402,960,400/31,660
6. Step 6: Final answer
   x = 75,898.94