Finding the Third Proportional to 18,504.94 and 28,103.53

Step by Step Solution

1. Step 1: Write the proportion equation
   18,504.94 : 28,103.53 = 28,103.53 : x
2. Step 2: Convert to fraction form
   18,504.94/28,103.53 = 28,103.53/x
3. Step 3: Cross multiply
   18,504.94x = 28,103.53 × 28,103.53
4. Step 4: Simplify right side
   18,504.94x = 789,808,468.72
5. Step 5: Solve for x
   x = 789,808,468.72/18,504.94
6. Step 6: Final answer
   x = 42,680.96