Finding the Third Proportional to 19,436.25 and 40,255.50

Step by Step Solution

1. Step 1: Write the proportion equation
   19,436.25 : 40,255.50 = 40,255.50 : x
2. Step 2: Convert to fraction form
   19,436.25/40,255.50 = 40,255.50/x
3. Step 3: Cross multiply
   19,436.25x = 40,255.50 × 40,255.50
4. Step 4: Simplify right side
   19,436.25x = 1,620,505,280.25
5. Step 5: Solve for x
   x = 1,620,505,280.25/19,436.25
6. Step 6: Final answer
   x = 83,375.41