Finding the Third Proportional to 15,445.69 and 16,903.69

Step by Step Solution

1. Step 1: Write the proportion equation
   15,445.69 : 16,903.69 = 16,903.69 : x
2. Step 2: Convert to fraction form
   15,445.69/16,903.69 = 16,903.69/x
3. Step 3: Cross multiply
   15,445.69x = 16,903.69 × 16,903.69
4. Step 4: Simplify right side
   15,445.69x = 285,734,651.10
5. Step 5: Solve for x
   x = 285,734,651.10/15,445.69
6. Step 6: Final answer
   x = 18,499.32