Finding the Third Proportional to 21,292.88 and 29,779.31

Step by Step Solution

1. Step 1: Write the proportion equation
   21,292.88 : 29,779.31 = 29,779.31 : x
2. Step 2: Convert to fraction form
   21,292.88/29,779.31 = 29,779.31/x
3. Step 3: Cross multiply
   21,292.88x = 29,779.31 × 29,779.31
4. Step 4: Simplify right side
   21,292.88x = 886,807,452.97
5. Step 5: Solve for x
   x = 886,807,452.97/21,292.88
6. Step 6: Final answer
   x = 41,648.08