Finding the Third Proportional to 3,885 and 9,164.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,885 : 9,164.50 = 9,164.50 : x
2. Step 2: Convert to fraction form
   3,885/9,164.50 = 9,164.50/x
3. Step 3: Cross multiply
   3,885x = 9,164.50 × 9,164.50
4. Step 4: Simplify right side
   3,885x = 83,988,060.25
5. Step 5: Solve for x
   x = 83,988,060.25/3,885
6. Step 6: Final answer
   x = 21,618.55