Finding the Third Proportional to 4,621.22 and 7,110.28

Step by Step Solution

1. Step 1: Write the proportion equation
   4,621.22 : 7,110.28 = 7,110.28 : x
2. Step 2: Convert to fraction form
   4,621.22/7,110.28 = 7,110.28/x
3. Step 3: Cross multiply
   4,621.22x = 7,110.28 × 7,110.28
4. Step 4: Simplify right side
   4,621.22x = 50,556,099.45
5. Step 5: Solve for x
   x = 50,556,099.45/4,621.22
6. Step 6: Final answer
   x = 10,939.99