Finding the Third Proportional to 18,443.50 and 39,516.75

Step by Step Solution

1. Step 1: Write the proportion equation
   18,443.50 : 39,516.75 = 39,516.75 : x
2. Step 2: Convert to fraction form
   18,443.50/39,516.75 = 39,516.75/x
3. Step 3: Cross multiply
   18,443.50x = 39,516.75 × 39,516.75
4. Step 4: Simplify right side
   18,443.50x = 1,561,573,530.56
5. Step 5: Solve for x
   x = 1,561,573,530.56/18,443.50
6. Step 6: Final answer
   x = 84,667.96