Finding the Third Proportional to 8,116.13 and 17,721.75

Step by Step Solution

1. Step 1: Write the proportion equation
   8,116.13 : 17,721.75 = 17,721.75 : x
2. Step 2: Convert to fraction form
   8,116.13/17,721.75 = 17,721.75/x
3. Step 3: Cross multiply
   8,116.13x = 17,721.75 × 17,721.75
4. Step 4: Simplify right side
   8,116.13x = 314,060,423.06
5. Step 5: Solve for x
   x = 314,060,423.06/8,116.13
6. Step 6: Final answer
   x = 38,695.86