Finding the Third Proportional to 21,286.13 and 33,319.69

Step by Step Solution

1. Step 1: Write the proportion equation
   21,286.13 : 33,319.69 = 33,319.69 : x
2. Step 2: Convert to fraction form
   21,286.13/33,319.69 = 33,319.69/x
3. Step 3: Cross multiply
   21,286.13x = 33,319.69 × 33,319.69
4. Step 4: Simplify right side
   21,286.13x = 1,110,201,575.10
5. Step 5: Solve for x
   x = 1,110,201,575.10/21,286.13
6. Step 6: Final answer
   x = 52,156.11