Finding the Third Proportional to 18,836 and 28,496.50

Step by Step Solution

1. Step 1: Write the proportion equation
   18,836 : 28,496.50 = 28,496.50 : x
2. Step 2: Convert to fraction form
   18,836/28,496.50 = 28,496.50/x
3. Step 3: Cross multiply
   18,836x = 28,496.50 × 28,496.50
4. Step 4: Simplify right side
   18,836x = 812,050,512.25
5. Step 5: Solve for x
   x = 812,050,512.25/18,836
6. Step 6: Final answer
   x = 43,111.62