Finding the Third Proportional to 6,222.09 and 13,172.91

Step by Step Solution

1. Step 1: Write the proportion equation
   6,222.09 : 13,172.91 = 13,172.91 : x
2. Step 2: Convert to fraction form
   6,222.09/13,172.91 = 13,172.91/x
3. Step 3: Cross multiply
   6,222.09x = 13,172.91 × 13,172.91
4. Step 4: Simplify right side
   6,222.09x = 173,525,459.07
5. Step 5: Solve for x
   x = 173,525,459.07/6,222.09
6. Step 6: Final answer
   x = 27,888.60