Finding the Third Proportional to 18,290.81 and 37,614.38

Step by Step Solution

1. Step 1: Write the proportion equation
   18,290.81 : 37,614.38 = 37,614.38 : x
2. Step 2: Convert to fraction form
   18,290.81/37,614.38 = 37,614.38/x
3. Step 3: Cross multiply
   18,290.81x = 37,614.38 × 37,614.38
4. Step 4: Simplify right side
   18,290.81x = 1,414,841,206.64
5. Step 5: Solve for x
   x = 1,414,841,206.64/18,290.81
6. Step 6: Final answer
   x = 77,352.56