Finding the Third Proportional to 18,245.25 and 39,875.63

Step by Step Solution

1. Step 1: Write the proportion equation
   18,245.25 : 39,875.63 = 39,875.63 : x
2. Step 2: Convert to fraction form
   18,245.25/39,875.63 = 39,875.63/x
3. Step 3: Cross multiply
   18,245.25x = 39,875.63 × 39,875.63
4. Step 4: Simplify right side
   18,245.25x = 1,590,065,469.14
5. Step 5: Solve for x
   x = 1,590,065,469.14/18,245.25
6. Step 6: Final answer
   x = 87,149.56