Finding the Third Proportional to 9,443.25 and 13,889.25

Step by Step Solution

1. Step 1: Write the proportion equation
   9,443.25 : 13,889.25 = 13,889.25 : x
2. Step 2: Convert to fraction form
   9,443.25/13,889.25 = 13,889.25/x
3. Step 3: Cross multiply
   9,443.25x = 13,889.25 × 13,889.25
4. Step 4: Simplify right side
   9,443.25x = 192,911,265.56
5. Step 5: Solve for x
   x = 192,911,265.56/9,443.25
6. Step 6: Final answer
   x = 20,428.48