Finding the Third Proportional to 18,822 and 37,170

Step by Step Solution

1. Step 1: Write the proportion equation
   18,822 : 37,170 = 37,170 : x
2. Step 2: Convert to fraction form
   18,822/37,170 = 37,170/x
3. Step 3: Cross multiply
   18,822x = 37,170 × 37,170
4. Step 4: Simplify right side
   18,822x = 1,381,608,900
5. Step 5: Solve for x
   x = 1,381,608,900/18,822
6. Step 6: Final answer
   x = 73,403.94