Finding the Third Proportional to 18,300.75 and 39,947.25

Step by Step Solution

1. Step 1: Write the proportion equation
   18,300.75 : 39,947.25 = 39,947.25 : x
2. Step 2: Convert to fraction form
   18,300.75/39,947.25 = 39,947.25/x
3. Step 3: Cross multiply
   18,300.75x = 39,947.25 × 39,947.25
4. Step 4: Simplify right side
   18,300.75x = 1,595,782,782.56
5. Step 5: Solve for x
   x = 1,595,782,782.56/18,300.75
6. Step 6: Final answer
   x = 87,197.67