Finding the Third Proportional to 18,395.15 and 38,981.57

Step by Step Solution

1. Step 1: Write the proportion equation
   18,395.15 : 38,981.57 = 38,981.57 : x
2. Step 2: Convert to fraction form
   18,395.15/38,981.57 = 38,981.57/x
3. Step 3: Cross multiply
   18,395.15x = 38,981.57 × 38,981.57
4. Step 4: Simplify right side
   18,395.15x = 1,519,562,519.48
5. Step 5: Solve for x
   x = 1,519,562,519.48/18,395.15
6. Step 6: Final answer
   x = 82,606.70