Finding the Third Proportional to 21,687.75 and 33,314.63

Step by Step Solution

1. Step 1: Write the proportion equation
   21,687.75 : 33,314.63 = 33,314.63 : x
2. Step 2: Convert to fraction form
   21,687.75/33,314.63 = 33,314.63/x
3. Step 3: Cross multiply
   21,687.75x = 33,314.63 × 33,314.63
4. Step 4: Simplify right side
   21,687.75x = 1,109,864,238.89
5. Step 5: Solve for x
   x = 1,109,864,238.89/21,687.75
6. Step 6: Final answer
   x = 51,174.71