Finding the Third Proportional to 19,399.50 and 42,352.88

Step by Step Solution

1. Step 1: Write the proportion equation
   19,399.50 : 42,352.88 = 42,352.88 : x
2. Step 2: Convert to fraction form
   19,399.50/42,352.88 = 42,352.88/x
3. Step 3: Cross multiply
   19,399.50x = 42,352.88 × 42,352.88
4. Step 4: Simplify right side
   19,399.50x = 1,793,766,020.77
5. Step 5: Solve for x
   x = 1,793,766,020.77/19,399.50
6. Step 6: Final answer
   x = 92,464.55