Finding the Third Proportional to 21,238.22 and 33,740.72

Step by Step Solution

1. Step 1: Write the proportion equation
   21,238.22 : 33,740.72 = 33,740.72 : x
2. Step 2: Convert to fraction form
   21,238.22/33,740.72 = 33,740.72/x
3. Step 3: Cross multiply
   21,238.22x = 33,740.72 × 33,740.72
4. Step 4: Simplify right side
   21,238.22x = 1,138,436,101.77
5. Step 5: Solve for x
   x = 1,138,436,101.77/21,238.22
6. Step 6: Final answer
   x = 53,603.18