Finding the Third Proportional to 20,214.50 and 30,729.75

Step by Step Solution

1. Step 1: Write the proportion equation
   20,214.50 : 30,729.75 = 30,729.75 : x
2. Step 2: Convert to fraction form
   20,214.50/30,729.75 = 30,729.75/x
3. Step 3: Cross multiply
   20,214.50x = 30,729.75 × 30,729.75
4. Step 4: Simplify right side
   20,214.50x = 944,317,535.06
5. Step 5: Solve for x
   x = 944,317,535.06/20,214.50
6. Step 6: Final answer
   x = 46,714.86