Finding the Third Proportional to 12,240 and 14,928

Step by Step Solution

1. Step 1: Write the proportion equation
   12,240 : 14,928 = 14,928 : x
2. Step 2: Convert to fraction form
   12,240/14,928 = 14,928/x
3. Step 3: Cross multiply
   12,240x = 14,928 × 14,928
4. Step 4: Simplify right side
   12,240x = 222,845,184
5. Step 5: Solve for x
   x = 222,845,184/12,240
6. Step 6: Final answer
   x = 18,206.31