Finding the Third Proportional to 3,904.50 and 8,366.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,904.50 : 8,366.25 = 8,366.25 : x
2. Step 2: Convert to fraction form
   3,904.50/8,366.25 = 8,366.25/x
3. Step 3: Cross multiply
   3,904.50x = 8,366.25 × 8,366.25
4. Step 4: Simplify right side
   3,904.50x = 69,994,139.06
5. Step 5: Solve for x
   x = 69,994,139.06/3,904.50
6. Step 6: Final answer
   x = 17,926.53