Finding the Third Proportional to 8,448.75 and 12,603.94

Step by Step Solution

1. Step 1: Write the proportion equation
   8,448.75 : 12,603.94 = 12,603.94 : x
2. Step 2: Convert to fraction form
   8,448.75/12,603.94 = 12,603.94/x
3. Step 3: Cross multiply
   8,448.75x = 12,603.94 × 12,603.94
4. Step 4: Simplify right side
   8,448.75x = 158,859,240.50
5. Step 5: Solve for x
   x = 158,859,240.50/8,448.75
6. Step 6: Final answer
   x = 18,802.69