Finding the Third Proportional to 8,978 and 12,002.25

Step by Step Solution

1. Step 1: Write the proportion equation
   8,978 : 12,002.25 = 12,002.25 : x
2. Step 2: Convert to fraction form
   8,978/12,002.25 = 12,002.25/x
3. Step 3: Cross multiply
   8,978x = 12,002.25 × 12,002.25
4. Step 4: Simplify right side
   8,978x = 144,054,005.06
5. Step 5: Solve for x
   x = 144,054,005.06/8,978
6. Step 6: Final answer
   x = 16,045.22