Finding the Third Proportional to 19,586.81 and 24,912.56

Step by Step Solution

1. Step 1: Write the proportion equation
   19,586.81 : 24,912.56 = 24,912.56 : x
2. Step 2: Convert to fraction form
   19,586.81/24,912.56 = 24,912.56/x
3. Step 3: Cross multiply
   19,586.81x = 24,912.56 × 24,912.56
4. Step 4: Simplify right side
   19,586.81x = 620,635,770.32
5. Step 5: Solve for x
   x = 620,635,770.32/19,586.81
6. Step 6: Final answer
   x = 31,686.41