Finding the Third Proportional to 18,436.36 and 39,501.42

Step by Step Solution

1. Step 1: Write the proportion equation
   18,436.36 : 39,501.42 = 39,501.42 : x
2. Step 2: Convert to fraction form
   18,436.36/39,501.42 = 39,501.42/x
3. Step 3: Cross multiply
   18,436.36x = 39,501.42 × 39,501.42
4. Step 4: Simplify right side
   18,436.36x = 1,560,362,330.15
5. Step 5: Solve for x
   x = 1,560,362,330.15/18,436.36
6. Step 6: Final answer
   x = 84,635.06