Finding the Third Proportional to 4,020.75 and 9,389.25

Step by Step Solution

1. Step 1: Write the proportion equation
   4,020.75 : 9,389.25 = 9,389.25 : x
2. Step 2: Convert to fraction form
   4,020.75/9,389.25 = 9,389.25/x
3. Step 3: Cross multiply
   4,020.75x = 9,389.25 × 9,389.25
4. Step 4: Simplify right side
   4,020.75x = 88,158,015.56
5. Step 5: Solve for x
   x = 88,158,015.56/4,020.75
6. Step 6: Final answer
   x = 21,925.76