Finding the Third Proportional to 18,358.50 and 27,709.75

Step by Step Solution

1. Step 1: Write the proportion equation
   18,358.50 : 27,709.75 = 27,709.75 : x
2. Step 2: Convert to fraction form
   18,358.50/27,709.75 = 27,709.75/x
3. Step 3: Cross multiply
   18,358.50x = 27,709.75 × 27,709.75
4. Step 4: Simplify right side
   18,358.50x = 767,830,245.06
5. Step 5: Solve for x
   x = 767,830,245.06/18,358.50
6. Step 6: Final answer
   x = 41,824.24