Finding the Third Proportional to 13,715.50 and 20,483.25

Step by Step Solution

1. Step 1: Write the proportion equation
   13,715.50 : 20,483.25 = 20,483.25 : x
2. Step 2: Convert to fraction form
   13,715.50/20,483.25 = 20,483.25/x
3. Step 3: Cross multiply
   13,715.50x = 20,483.25 × 20,483.25
4. Step 4: Simplify right side
   13,715.50x = 419,563,530.56
5. Step 5: Solve for x
   x = 419,563,530.56/13,715.50
6. Step 6: Final answer
   x = 30,590.47