Finding the Third Proportional to 18,640.50 and 27,706.50

Step by Step Solution

1. Step 1: Write the proportion equation
   18,640.50 : 27,706.50 = 27,706.50 : x
2. Step 2: Convert to fraction form
   18,640.50/27,706.50 = 27,706.50/x
3. Step 3: Cross multiply
   18,640.50x = 27,706.50 × 27,706.50
4. Step 4: Simplify right side
   18,640.50x = 767,650,142.25
5. Step 5: Solve for x
   x = 767,650,142.25/18,640.50
6. Step 6: Final answer
   x = 41,181.84