Finding the Third Proportional to 8,616 and 13,749

Step by Step Solution

1. Step 1: Write the proportion equation
   8,616 : 13,749 = 13,749 : x
2. Step 2: Convert to fraction form
   8,616/13,749 = 13,749/x
3. Step 3: Cross multiply
   8,616x = 13,749 × 13,749
4. Step 4: Simplify right side
   8,616x = 189,035,001
5. Step 5: Solve for x
   x = 189,035,001/8,616
6. Step 6: Final answer
   x = 21,940.00