Finding the Third Proportional to 6,389.50 and 13,904

Step by Step Solution

1. Step 1: Write the proportion equation
   6,389.50 : 13,904 = 13,904 : x
2. Step 2: Convert to fraction form
   6,389.50/13,904 = 13,904/x
3. Step 3: Cross multiply
   6,389.50x = 13,904 × 13,904
4. Step 4: Simplify right side
   6,389.50x = 193,321,216
5. Step 5: Solve for x
   x = 193,321,216/6,389.50
6. Step 6: Final answer
   x = 30,256.08