Finding the Third Proportional to 18,108 and 37,860

Step by Step Solution

1. Step 1: Write the proportion equation
   18,108 : 37,860 = 37,860 : x
2. Step 2: Convert to fraction form
   18,108/37,860 = 37,860/x
3. Step 3: Cross multiply
   18,108x = 37,860 × 37,860
4. Step 4: Simplify right side
   18,108x = 1,433,379,600
5. Step 5: Solve for x
   x = 1,433,379,600/18,108
6. Step 6: Final answer
   x = 79,157.26