Finding the Third Proportional to 21,309.96 and 33,089.77

Step by Step Solution

1. Step 1: Write the proportion equation
   21,309.96 : 33,089.77 = 33,089.77 : x
2. Step 2: Convert to fraction form
   21,309.96/33,089.77 = 33,089.77/x
3. Step 3: Cross multiply
   21,309.96x = 33,089.77 × 33,089.77
4. Step 4: Simplify right side
   21,309.96x = 1,094,932,589.12
5. Step 5: Solve for x
   x = 1,094,932,589.12/21,309.96
6. Step 6: Final answer
   x = 51,381.26