Finding the Third Proportional to 18,382.50 and 39,538.13

Step by Step Solution

1. Step 1: Write the proportion equation
   18,382.50 : 39,538.13 = 39,538.13 : x
2. Step 2: Convert to fraction form
   18,382.50/39,538.13 = 39,538.13/x
3. Step 3: Cross multiply
   18,382.50x = 39,538.13 × 39,538.13
4. Step 4: Simplify right side
   18,382.50x = 1,563,263,328.52
5. Step 5: Solve for x
   x = 1,563,263,328.52/18,382.50
6. Step 6: Final answer
   x = 85,040.84