Finding the Third Proportional to 15,806.81 and 33,855.89

Step by Step Solution

1. Step 1: Write the proportion equation
   15,806.81 : 33,855.89 = 33,855.89 : x
2. Step 2: Convert to fraction form
   15,806.81/33,855.89 = 33,855.89/x
3. Step 3: Cross multiply
   15,806.81x = 33,855.89 × 33,855.89
4. Step 4: Simplify right side
   15,806.81x = 1,146,221,330.01
5. Step 5: Solve for x
   x = 1,146,221,330.01/15,806.81
6. Step 6: Final answer
   x = 72,514.39