Finding the Third Proportional to 9,389.81 and 14,321.25

Step by Step Solution

1. Step 1: Write the proportion equation
   9,389.81 : 14,321.25 = 14,321.25 : x
2. Step 2: Convert to fraction form
   9,389.81/14,321.25 = 14,321.25/x
3. Step 3: Cross multiply
   9,389.81x = 14,321.25 × 14,321.25
4. Step 4: Simplify right side
   9,389.81x = 205,098,201.56
5. Step 5: Solve for x
   x = 205,098,201.56/9,389.81
6. Step 6: Final answer
   x = 21,842.63