Finding the Third Proportional to 18,366.38 and 28,386.56

Step by Step Solution

1. Step 1: Write the proportion equation
   18,366.38 : 28,386.56 = 28,386.56 : x
2. Step 2: Convert to fraction form
   18,366.38/28,386.56 = 28,386.56/x
3. Step 3: Cross multiply
   18,366.38x = 28,386.56 × 28,386.56
4. Step 4: Simplify right side
   18,366.38x = 805,796,930.57
5. Step 5: Solve for x
   x = 805,796,930.57/18,366.38
6. Step 6: Final answer
   x = 43,873.49