Finding the Third Proportional to 19,623.94 and 40,290.75

Step by Step Solution

1. Step 1: Write the proportion equation
   19,623.94 : 40,290.75 = 40,290.75 : x
2. Step 2: Convert to fraction form
   19,623.94/40,290.75 = 40,290.75/x
3. Step 3: Cross multiply
   19,623.94x = 40,290.75 × 40,290.75
4. Step 4: Simplify right side
   19,623.94x = 1,623,344,535.56
5. Step 5: Solve for x
   x = 1,623,344,535.56/19,623.94
6. Step 6: Final answer
   x = 82,722.67