Finding the Third Proportional to 8,782.50 and 13,173.94

Step by Step Solution

1. Step 1: Write the proportion equation
   8,782.50 : 13,173.94 = 13,173.94 : x
2. Step 2: Convert to fraction form
   8,782.50/13,173.94 = 13,173.94/x
3. Step 3: Cross multiply
   8,782.50x = 13,173.94 × 13,173.94
4. Step 4: Simplify right side
   8,782.50x = 173,552,629.25
5. Step 5: Solve for x
   x = 173,552,629.25/8,782.50
6. Step 6: Final answer
   x = 19,761.19