Finding the Third Proportional to 3,782.25 and 8,789.06

Step by Step Solution

1. Step 1: Write the proportion equation
   3,782.25 : 8,789.06 = 8,789.06 : x
2. Step 2: Convert to fraction form
   3,782.25/8,789.06 = 8,789.06/x
3. Step 3: Cross multiply
   3,782.25x = 8,789.06 × 8,789.06
4. Step 4: Simplify right side
   3,782.25x = 77,247,619.63
5. Step 5: Solve for x
   x = 77,247,619.63/3,782.25
6. Step 6: Final answer
   x = 20,423.72