Finding the Third Proportional to 18,012.38 and 27,585.56

Step by Step Solution

1. Step 1: Write the proportion equation
   18,012.38 : 27,585.56 = 27,585.56 : x
2. Step 2: Convert to fraction form
   18,012.38/27,585.56 = 27,585.56/x
3. Step 3: Cross multiply
   18,012.38x = 27,585.56 × 27,585.56
4. Step 4: Simplify right side
   18,012.38x = 760,963,258.44
5. Step 5: Solve for x
   x = 760,963,258.44/18,012.38
6. Step 6: Final answer
   x = 42,246.69