Finding the Third Proportional to 18,857.18 and 37,233.11

Step by Step Solution

1. Step 1: Write the proportion equation
   18,857.18 : 37,233.11 = 37,233.11 : x
2. Step 2: Convert to fraction form
   18,857.18/37,233.11 = 37,233.11/x
3. Step 3: Cross multiply
   18,857.18x = 37,233.11 × 37,233.11
4. Step 4: Simplify right side
   18,857.18x = 1,386,304,142.85
5. Step 5: Solve for x
   x = 1,386,304,142.85/18,857.18
6. Step 6: Final answer
   x = 73,515.99