Finding the Third Proportional to 18,162 and 39,611.25

Step by Step Solution

1. Step 1: Write the proportion equation
   18,162 : 39,611.25 = 39,611.25 : x
2. Step 2: Convert to fraction form
   18,162/39,611.25 = 39,611.25/x
3. Step 3: Cross multiply
   18,162x = 39,611.25 × 39,611.25
4. Step 4: Simplify right side
   18,162x = 1,569,051,126.56
5. Step 5: Solve for x
   x = 1,569,051,126.56/18,162
6. Step 6: Final answer
   x = 86,391.98