Finding the Third Proportional to 21,327.75 and 21,327.75

Step by Step Solution

1. Step 1: Write the proportion equation
   21,327.75 : 21,327.75 = 21,327.75 : x
2. Step 2: Convert to fraction form
   21,327.75/21,327.75 = 21,327.75/x
3. Step 3: Cross multiply
   21,327.75x = 21,327.75 × 21,327.75
4. Step 4: Simplify right side
   21,327.75x = 454,872,920.06
5. Step 5: Solve for x
   x = 454,872,920.06/21,327.75
6. Step 6: Final answer
   x = 21,327.75