Finding the Third Proportional to 19,251.75 and 40,015.50

Step by Step Solution

1. Step 1: Write the proportion equation
   19,251.75 : 40,015.50 = 40,015.50 : x
2. Step 2: Convert to fraction form
   19,251.75/40,015.50 = 40,015.50/x
3. Step 3: Cross multiply
   19,251.75x = 40,015.50 × 40,015.50
4. Step 4: Simplify right side
   19,251.75x = 1,601,240,240.25
5. Step 5: Solve for x
   x = 1,601,240,240.25/19,251.75
6. Step 6: Final answer
   x = 83,173.75