Finding the Third Proportional to 19,231.50 and 40,406.25

Step by Step Solution

1. Step 1: Write the proportion equation
   19,231.50 : 40,406.25 = 40,406.25 : x
2. Step 2: Convert to fraction form
   19,231.50/40,406.25 = 40,406.25/x
3. Step 3: Cross multiply
   19,231.50x = 40,406.25 × 40,406.25
4. Step 4: Simplify right side
   19,231.50x = 1,632,665,039.06
5. Step 5: Solve for x
   x = 1,632,665,039.06/19,231.50
6. Step 6: Final answer
   x = 84,895.36