Finding the Third Proportional to 19,440.56 and 40,956.75

Step by Step Solution

1. Step 1: Write the proportion equation
   19,440.56 : 40,956.75 = 40,956.75 : x
2. Step 2: Convert to fraction form
   19,440.56/40,956.75 = 40,956.75/x
3. Step 3: Cross multiply
   19,440.56x = 40,956.75 × 40,956.75
4. Step 4: Simplify right side
   19,440.56x = 1,677,455,370.56
5. Step 5: Solve for x
   x = 1,677,455,370.56/19,440.56
6. Step 6: Final answer
   x = 86,286.36