Finding the Third Proportional to 17,904 and 38,760

Step by Step Solution

1. Step 1: Write the proportion equation
   17,904 : 38,760 = 38,760 : x
2. Step 2: Convert to fraction form
   17,904/38,760 = 38,760/x
3. Step 3: Cross multiply
   17,904x = 38,760 × 38,760
4. Step 4: Simplify right side
   17,904x = 1,502,337,600
5. Step 5: Solve for x
   x = 1,502,337,600/17,904
6. Step 6: Final answer
   x = 83,910.72