Finding the Third Proportional to 21,902.75 and 34,313.78

Step by Step Solution

1. Step 1: Write the proportion equation
   21,902.75 : 34,313.78 = 34,313.78 : x
2. Step 2: Convert to fraction form
   21,902.75/34,313.78 = 34,313.78/x
3. Step 3: Cross multiply
   21,902.75x = 34,313.78 × 34,313.78
4. Step 4: Simplify right side
   21,902.75x = 1,177,435,717.71
5. Step 5: Solve for x
   x = 1,177,435,717.71/21,902.75
6. Step 6: Final answer
   x = 53,757.44