Finding the Third Proportional to 20,310.75 and 30,555.56

Step by Step Solution

1. Step 1: Write the proportion equation
   20,310.75 : 30,555.56 = 30,555.56 : x
2. Step 2: Convert to fraction form
   20,310.75/30,555.56 = 30,555.56/x
3. Step 3: Cross multiply
   20,310.75x = 30,555.56 × 30,555.56
4. Step 4: Simplify right side
   20,310.75x = 933,642,399.69
5. Step 5: Solve for x
   x = 933,642,399.69/20,310.75
6. Step 6: Final answer
   x = 45,967.89