Finding the Third Proportional to 20,821.50 and 30,498.75

Step by Step Solution

1. Step 1: Write the proportion equation
   20,821.50 : 30,498.75 = 30,498.75 : x
2. Step 2: Convert to fraction form
   20,821.50/30,498.75 = 30,498.75/x
3. Step 3: Cross multiply
   20,821.50x = 30,498.75 × 30,498.75
4. Step 4: Simplify right side
   20,821.50x = 930,173,751.56
5. Step 5: Solve for x
   x = 930,173,751.56/20,821.50
6. Step 6: Final answer
   x = 44,673.71