Finding the Third Proportional to 18,112 and 37,388

Step by Step Solution

1. Step 1: Write the proportion equation
   18,112 : 37,388 = 37,388 : x
2. Step 2: Convert to fraction form
   18,112/37,388 = 37,388/x
3. Step 3: Cross multiply
   18,112x = 37,388 × 37,388
4. Step 4: Simplify right side
   18,112x = 1,397,862,544
5. Step 5: Solve for x
   x = 1,397,862,544/18,112
6. Step 6: Final answer
   x = 77,178.81