Finding the Third Proportional to 8,365.50 and 12,922.88

Step by Step Solution

1. Step 1: Write the proportion equation
   8,365.50 : 12,922.88 = 12,922.88 : x
2. Step 2: Convert to fraction form
   8,365.50/12,922.88 = 12,922.88/x
3. Step 3: Cross multiply
   8,365.50x = 12,922.88 × 12,922.88
4. Step 4: Simplify right side
   8,365.50x = 167,000,698.27
5. Step 5: Solve for x
   x = 167,000,698.27/8,365.50
6. Step 6: Final answer
   x = 19,963.03