Finding the Third Proportional to 18,447.75 and 37,928.25

Step by Step Solution

1. Step 1: Write the proportion equation
   18,447.75 : 37,928.25 = 37,928.25 : x
2. Step 2: Convert to fraction form
   18,447.75/37,928.25 = 37,928.25/x
3. Step 3: Cross multiply
   18,447.75x = 37,928.25 × 37,928.25
4. Step 4: Simplify right side
   18,447.75x = 1,438,552,148.06
5. Step 5: Solve for x
   x = 1,438,552,148.06/18,447.75
6. Step 6: Final answer
   x = 77,979.82