Finding the Third Proportional to 20,760.50 and 31,356.75

Step by Step Solution

1. Step 1: Write the proportion equation
   20,760.50 : 31,356.75 = 31,356.75 : x
2. Step 2: Convert to fraction form
   20,760.50/31,356.75 = 31,356.75/x
3. Step 3: Cross multiply
   20,760.50x = 31,356.75 × 31,356.75
4. Step 4: Simplify right side
   20,760.50x = 983,245,770.56
5. Step 5: Solve for x
   x = 983,245,770.56/20,760.50
6. Step 6: Final answer
   x = 47,361.37