Finding the Third Proportional to 5,625.56 and 8,222.06

Step by Step Solution

1. Step 1: Write the proportion equation
   5,625.56 : 8,222.06 = 8,222.06 : x
2. Step 2: Convert to fraction form
   5,625.56/8,222.06 = 8,222.06/x
3. Step 3: Cross multiply
   5,625.56x = 8,222.06 × 8,222.06
4. Step 4: Simplify right side
   5,625.56x = 67,602,311.75
5. Step 5: Solve for x
   x = 67,602,311.75/5,625.56
6. Step 6: Final answer
   x = 12,016.99