Finding the Third Proportional to 19,017.50 and 40,000.50

Step by Step Solution

1. Step 1: Write the proportion equation
   19,017.50 : 40,000.50 = 40,000.50 : x
2. Step 2: Convert to fraction form
   19,017.50/40,000.50 = 40,000.50/x
3. Step 3: Cross multiply
   19,017.50x = 40,000.50 × 40,000.50
4. Step 4: Simplify right side
   19,017.50x = 1,600,040,000.25
5. Step 5: Solve for x
   x = 1,600,040,000.25/19,017.50
6. Step 6: Final answer
   x = 84,135.14