Finding the Third Proportional to 20,320.50 and 30,481.50

Step by Step Solution

1. Step 1: Write the proportion equation
   20,320.50 : 30,481.50 = 30,481.50 : x
2. Step 2: Convert to fraction form
   20,320.50/30,481.50 = 30,481.50/x
3. Step 3: Cross multiply
   20,320.50x = 30,481.50 × 30,481.50
4. Step 4: Simplify right side
   20,320.50x = 929,121,842.25
5. Step 5: Solve for x
   x = 929,121,842.25/20,320.50
6. Step 6: Final answer
   x = 45,723.38