Finding the Third Proportional to 13,473 and 18,499.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,473 : 18,499.50 = 18,499.50 : x
2. Step 2: Convert to fraction form
   13,473/18,499.50 = 18,499.50/x
3. Step 3: Cross multiply
   13,473x = 18,499.50 × 18,499.50
4. Step 4: Simplify right side
   13,473x = 342,231,500.25
5. Step 5: Solve for x
   x = 342,231,500.25/13,473
6. Step 6: Final answer
   x = 25,401.28