Finding the Third Proportional to 3,840.75 and 8,695.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,840.75 : 8,695.69 = 8,695.69 : x
2. Step 2: Convert to fraction form
   3,840.75/8,695.69 = 8,695.69/x
3. Step 3: Cross multiply
   3,840.75x = 8,695.69 × 8,695.69
4. Step 4: Simplify right side
   3,840.75x = 75,614,981.10
5. Step 5: Solve for x
   x = 75,614,981.10/3,840.75
6. Step 6: Final answer
   x = 19,687.56