Finding the Third Proportional to 12,440.25 and 18,984.38

Step by Step Solution

1. Step 1: Write the proportion equation
   12,440.25 : 18,984.38 = 18,984.38 : x
2. Step 2: Convert to fraction form
   12,440.25/18,984.38 = 18,984.38/x
3. Step 3: Cross multiply
   12,440.25x = 18,984.38 × 18,984.38
4. Step 4: Simplify right side
   12,440.25x = 360,406,494.14
5. Step 5: Solve for x
   x = 360,406,494.14/12,440.25
6. Step 6: Final answer
   x = 28,971.00