Finding the Third Proportional to 20,821.22 and 29,674.69

Step by Step Solution

1. Step 1: Write the proportion equation
   20,821.22 : 29,674.69 = 29,674.69 : x
2. Step 2: Convert to fraction form
   20,821.22/29,674.69 = 29,674.69/x
3. Step 3: Cross multiply
   20,821.22x = 29,674.69 × 29,674.69
4. Step 4: Simplify right side
   20,821.22x = 880,587,078.22
5. Step 5: Solve for x
   x = 880,587,078.22/20,821.22
6. Step 6: Final answer
   x = 42,292.77