Finding the Third Proportional to 5,021.37 and 7,172.30

Step by Step Solution

1. Step 1: Write the proportion equation
   5,021.37 : 7,172.30 = 7,172.30 : x
2. Step 2: Convert to fraction form
   5,021.37/7,172.30 = 7,172.30/x
3. Step 3: Cross multiply
   5,021.37x = 7,172.30 × 7,172.30
4. Step 4: Simplify right side
   5,021.37x = 51,441,842.46
5. Step 5: Solve for x
   x = 51,441,842.46/5,021.37
6. Step 6: Final answer
   x = 10,244.59