Finding the Third Proportional to 20,469 and 31,010

Step by Step Solution

1. Step 1: Write the proportion equation
   20,469 : 31,010 = 31,010 : x
2. Step 2: Convert to fraction form
   20,469/31,010 = 31,010/x
3. Step 3: Cross multiply
   20,469x = 31,010 × 31,010
4. Step 4: Simplify right side
   20,469x = 961,620,100
5. Step 5: Solve for x
   x = 961,620,100/20,469
6. Step 6: Final answer
   x = 46,979.34