Finding the Third Proportional to 18,071.58 and 39,159.98

Step by Step Solution

1. Step 1: Write the proportion equation
   18,071.58 : 39,159.98 = 39,159.98 : x
2. Step 2: Convert to fraction form
   18,071.58/39,159.98 = 39,159.98/x
3. Step 3: Cross multiply
   18,071.58x = 39,159.98 × 39,159.98
4. Step 4: Simplify right side
   18,071.58x = 1,533,504,376.25
5. Step 5: Solve for x
   x = 1,533,504,376.25/18,071.58
6. Step 6: Final answer
   x = 84,857.25