Finding the Third Proportional to 6,558 and 13,716

Step by Step Solution

1. Step 1: Write the proportion equation
   6,558 : 13,716 = 13,716 : x
2. Step 2: Convert to fraction form
   6,558/13,716 = 13,716/x
3. Step 3: Cross multiply
   6,558x = 13,716 × 13,716
4. Step 4: Simplify right side
   6,558x = 188,128,656
5. Step 5: Solve for x
   x = 188,128,656/6,558
6. Step 6: Final answer
   x = 28,686.89