Finding the Third Proportional to 20,164.50 and 30,211.88

Step by Step Solution

1. Step 1: Write the proportion equation
   20,164.50 : 30,211.88 = 30,211.88 : x
2. Step 2: Convert to fraction form
   20,164.50/30,211.88 = 30,211.88/x
3. Step 3: Cross multiply
   20,164.50x = 30,211.88 × 30,211.88
4. Step 4: Simplify right side
   20,164.50x = 912,757,391.02
5. Step 5: Solve for x
   x = 912,757,391.02/20,164.50
6. Step 6: Final answer
   x = 45,265.56