Finding the Third Proportional to 8,385.19 and 13,174.31

Step by Step Solution

1. Step 1: Write the proportion equation
   8,385.19 : 13,174.31 = 13,174.31 : x
2. Step 2: Convert to fraction form
   8,385.19/13,174.31 = 13,174.31/x
3. Step 3: Cross multiply
   8,385.19x = 13,174.31 × 13,174.31
4. Step 4: Simplify right side
   8,385.19x = 173,562,509.85
5. Step 5: Solve for x
   x = 173,562,509.85/8,385.19
6. Step 6: Final answer
   x = 20,698.70