Finding the Third Proportional to 9,216.47 and 13,900.22

Step by Step Solution

1. Step 1: Write the proportion equation
   9,216.47 : 13,900.22 = 13,900.22 : x
2. Step 2: Convert to fraction form
   9,216.47/13,900.22 = 13,900.22/x
3. Step 3: Cross multiply
   9,216.47x = 13,900.22 × 13,900.22
4. Step 4: Simplify right side
   9,216.47x = 193,216,081.30
5. Step 5: Solve for x
   x = 193,216,081.30/9,216.47
6. Step 6: Final answer
   x = 20,964.22