Finding the Third Proportional to 19,789.31 and 41,211.28

Step by Step Solution

1. Step 1: Write the proportion equation
   19,789.31 : 41,211.28 = 41,211.28 : x
2. Step 2: Convert to fraction form
   19,789.31/41,211.28 = 41,211.28/x
3. Step 3: Cross multiply
   19,789.31x = 41,211.28 × 41,211.28
4. Step 4: Simplify right side
   19,789.31x = 1,698,369,702.27
5. Step 5: Solve for x
   x = 1,698,369,702.27/19,789.31
6. Step 6: Final answer
   x = 85,822.57