Finding the Third Proportional to 5,383.69 and 8,736.19

Step by Step Solution

1. Step 1: Write the proportion equation
   5,383.69 : 8,736.19 = 8,736.19 : x
2. Step 2: Convert to fraction form
   5,383.69/8,736.19 = 8,736.19/x
3. Step 3: Cross multiply
   5,383.69x = 8,736.19 × 8,736.19
4. Step 4: Simplify right side
   5,383.69x = 76,320,972.04
5. Step 5: Solve for x
   x = 76,320,972.04/5,383.69
6. Step 6: Final answer
   x = 14,176.34