Finding the Third Proportional to 19,437.33 and 42,391.83

Step by Step Solution

1. Step 1: Write the proportion equation
   19,437.33 : 42,391.83 = 42,391.83 : x
2. Step 2: Convert to fraction form
   19,437.33/42,391.83 = 42,391.83/x
3. Step 3: Cross multiply
   19,437.33x = 42,391.83 × 42,391.83
4. Step 4: Simplify right side
   19,437.33x = 1,797,067,091.78
5. Step 5: Solve for x
   x = 1,797,067,091.78/19,437.33
6. Step 6: Final answer
   x = 92,454.43