Finding the Third Proportional to 13,711.50 and 19,608.75

Step by Step Solution

1. Step 1: Write the proportion equation
   13,711.50 : 19,608.75 = 19,608.75 : x
2. Step 2: Convert to fraction form
   13,711.50/19,608.75 = 19,608.75/x
3. Step 3: Cross multiply
   13,711.50x = 19,608.75 × 19,608.75
4. Step 4: Simplify right side
   13,711.50x = 384,503,076.56
5. Step 5: Solve for x
   x = 384,503,076.56/13,711.50
6. Step 6: Final answer
   x = 28,042.38