Finding the Third Proportional to 10,222.45 and 13,807.97

Step by Step Solution

1. Step 1: Write the proportion equation
   10,222.45 : 13,807.97 = 13,807.97 : x
2. Step 2: Convert to fraction form
   10,222.45/13,807.97 = 13,807.97/x
3. Step 3: Cross multiply
   10,222.45x = 13,807.97 × 13,807.97
4. Step 4: Simplify right side
   10,222.45x = 190,660,001.00
5. Step 5: Solve for x
   x = 190,660,001.00/10,222.45
6. Step 6: Final answer
   x = 18,651.10