Finding the Third Proportional to 18,316.88 and 39,914.44

Step by Step Solution

1. Step 1: Write the proportion equation
   18,316.88 : 39,914.44 = 39,914.44 : x
2. Step 2: Convert to fraction form
   18,316.88/39,914.44 = 39,914.44/x
3. Step 3: Cross multiply
   18,316.88x = 39,914.44 × 39,914.44
4. Step 4: Simplify right side
   18,316.88x = 1,593,162,320.94
5. Step 5: Solve for x
   x = 1,593,162,320.94/18,316.88
6. Step 6: Final answer
   x = 86,977.85