Finding the Third Proportional to 19,879.88 and 29,223.56

Step by Step Solution

1. Step 1: Write the proportion equation
   19,879.88 : 29,223.56 = 29,223.56 : x
2. Step 2: Convert to fraction form
   19,879.88/29,223.56 = 29,223.56/x
3. Step 3: Cross multiply
   19,879.88x = 29,223.56 × 29,223.56
4. Step 4: Simplify right side
   19,879.88x = 854,016,605.19
5. Step 5: Solve for x
   x = 854,016,605.19/19,879.88
6. Step 6: Final answer
   x = 42,958.85