Finding the Third Proportional to 18,494.58 and 28,981.55

Step by Step Solution

1. Step 1: Write the proportion equation
   18,494.58 : 28,981.55 = 28,981.55 : x
2. Step 2: Convert to fraction form
   18,494.58/28,981.55 = 28,981.55/x
3. Step 3: Cross multiply
   18,494.58x = 28,981.55 × 28,981.55
4. Step 4: Simplify right side
   18,494.58x = 839,930,059.27
5. Step 5: Solve for x
   x = 839,930,059.27/18,494.58
6. Step 6: Final answer
   x = 45,414.93