Finding the Third Proportional to 104,589 and 215,367.75

Step by Step Solution

1. Step 1: Write the proportion equation
   104,589 : 215,367.75 = 215,367.75 : x
2. Step 2: Convert to fraction form
   104,589/215,367.75 = 215,367.75/x
3. Step 3: Cross multiply
   104,589x = 215,367.75 × 215,367.75
4. Step 4: Simplify right side
   104,589x = 46,383,267,740.06
5. Step 5: Solve for x
   x = 46,383,267,740.06/104,589
6. Step 6: Final answer
   x = 443,481.32