Finding the Third Proportional to 8,870 and 18,145

Step by Step Solution

1. Step 1: Write the proportion equation
   8,870 : 18,145 = 18,145 : x
2. Step 2: Convert to fraction form
   8,870/18,145 = 18,145/x
3. Step 3: Cross multiply
   8,870x = 18,145 × 18,145
4. Step 4: Simplify right side
   8,870x = 329,241,025
5. Step 5: Solve for x
   x = 329,241,025/8,870
6. Step 6: Final answer
   x = 37,118.49