Finding the Third Proportional to 7,617.56 and 12,164.25

Step by Step Solution

1. Step 1: Write the proportion equation
   7,617.56 : 12,164.25 = 12,164.25 : x
2. Step 2: Convert to fraction form
   7,617.56/12,164.25 = 12,164.25/x
3. Step 3: Cross multiply
   7,617.56x = 12,164.25 × 12,164.25
4. Step 4: Simplify right side
   7,617.56x = 147,968,978.06
5. Step 5: Solve for x
   x = 147,968,978.06/7,617.56
6. Step 6: Final answer
   x = 19,424.71