Finding the Third Proportional to 19,854 and 41,789.25

Step by Step Solution

1. Step 1: Write the proportion equation
   19,854 : 41,789.25 = 41,789.25 : x
2. Step 2: Convert to fraction form
   19,854/41,789.25 = 41,789.25/x
3. Step 3: Cross multiply
   19,854x = 41,789.25 × 41,789.25
4. Step 4: Simplify right side
   19,854x = 1,746,341,415.56
5. Step 5: Solve for x
   x = 1,746,341,415.56/19,854
6. Step 6: Final answer
   x = 87,959.17