Finding the Third Proportional to 18,173.25 and 39,211.88

Step by Step Solution

1. Step 1: Write the proportion equation
   18,173.25 : 39,211.88 = 39,211.88 : x
2. Step 2: Convert to fraction form
   18,173.25/39,211.88 = 39,211.88/x
3. Step 3: Cross multiply
   18,173.25x = 39,211.88 × 39,211.88
4. Step 4: Simplify right side
   18,173.25x = 1,537,571,141.02
5. Step 5: Solve for x
   x = 1,537,571,141.02/18,173.25
6. Step 6: Final answer
   x = 84,606.28