Finding the Third Proportional to 2,222.44 and 5,486.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,222.44 : 5,486.06 = 5,486.06 : x
2. Step 2: Convert to fraction form
   2,222.44/5,486.06 = 5,486.06/x
3. Step 3: Cross multiply
   2,222.44x = 5,486.06 × 5,486.06
4. Step 4: Simplify right side
   2,222.44x = 30,096,881.75
5. Step 5: Solve for x
   x = 30,096,881.75/2,222.44
6. Step 6: Final answer
   x = 13,542.28