Finding the Third Proportional to 8,886 and 12,355.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,886 : 12,355.50 = 12,355.50 : x
2. Step 2: Convert to fraction form
   8,886/12,355.50 = 12,355.50/x
3. Step 3: Cross multiply
   8,886x = 12,355.50 × 12,355.50
4. Step 4: Simplify right side
   8,886x = 152,658,380.25
5. Step 5: Solve for x
   x = 152,658,380.25/8,886
6. Step 6: Final answer
   x = 17,179.65