Finding the Third Proportional to 18,492 and 28,423.50

Step by Step Solution

1. Step 1: Write the proportion equation
   18,492 : 28,423.50 = 28,423.50 : x
2. Step 2: Convert to fraction form
   18,492/28,423.50 = 28,423.50/x
3. Step 3: Cross multiply
   18,492x = 28,423.50 × 28,423.50
4. Step 4: Simplify right side
   18,492x = 807,895,352.25
5. Step 5: Solve for x
   x = 807,895,352.25/18,492
6. Step 6: Final answer
   x = 43,688.91