Finding the Third Proportional to 16,789.78 and 36,586.69

Step by Step Solution

1. Step 1: Write the proportion equation
   16,789.78 : 36,586.69 = 36,586.69 : x
2. Step 2: Convert to fraction form
   16,789.78/36,586.69 = 36,586.69/x
3. Step 3: Cross multiply
   16,789.78x = 36,586.69 × 36,586.69
4. Step 4: Simplify right side
   16,789.78x = 1,338,585,702.22
5. Step 5: Solve for x
   x = 1,338,585,702.22/16,789.78
6. Step 6: Final answer
   x = 79,726.21