Finding the Third Proportional to 18,071.34 and 39,159.23

Step by Step Solution

1. Step 1: Write the proportion equation
   18,071.34 : 39,159.23 = 39,159.23 : x
2. Step 2: Convert to fraction form
   18,071.34/39,159.23 = 39,159.23/x
3. Step 3: Cross multiply
   18,071.34x = 39,159.23 × 39,159.23
4. Step 4: Simplify right side
   18,071.34x = 1,533,445,636.84
5. Step 5: Solve for x
   x = 1,533,445,636.84/18,071.34
6. Step 6: Final answer
   x = 84,855.10