Finding the Third Proportional to 20,009 and 42,923

Step by Step Solution

1. Step 1: Write the proportion equation
   20,009 : 42,923 = 42,923 : x
2. Step 2: Convert to fraction form
   20,009/42,923 = 42,923/x
3. Step 3: Cross multiply
   20,009x = 42,923 × 42,923
4. Step 4: Simplify right side
   20,009x = 1,842,383,929
5. Step 5: Solve for x
   x = 1,842,383,929/20,009
6. Step 6: Final answer
   x = 92,077.76