Finding the Third Proportional to 18,857.25 and 37,238.25

Step by Step Solution

1. Step 1: Write the proportion equation
   18,857.25 : 37,238.25 = 37,238.25 : x
2. Step 2: Convert to fraction form
   18,857.25/37,238.25 = 37,238.25/x
3. Step 3: Cross multiply
   18,857.25x = 37,238.25 × 37,238.25
4. Step 4: Simplify right side
   18,857.25x = 1,386,687,263.06
5. Step 5: Solve for x
   x = 1,386,687,263.06/18,857.25
6. Step 6: Final answer
   x = 73,536.03