Finding the Third Proportional to 13,896.84 and 30,388.64

Step by Step Solution

1. Step 1: Write the proportion equation
   13,896.84 : 30,388.64 = 30,388.64 : x
2. Step 2: Convert to fraction form
   13,896.84/30,388.64 = 30,388.64/x
3. Step 3: Cross multiply
   13,896.84x = 30,388.64 × 30,388.64
4. Step 4: Simplify right side
   13,896.84x = 923,469,479.04
5. Step 5: Solve for x
   x = 923,469,479.04/13,896.84
6. Step 6: Final answer
   x = 66,451.74