Finding the Third Proportional to 18,123.94 and 39,793.91

Step by Step Solution

1. Step 1: Write the proportion equation
   18,123.94 : 39,793.91 = 39,793.91 : x
2. Step 2: Convert to fraction form
   18,123.94/39,793.91 = 39,793.91/x
3. Step 3: Cross multiply
   18,123.94x = 39,793.91 × 39,793.91
4. Step 4: Simplify right side
   18,123.94x = 1,583,554,974.63
5. Step 5: Solve for x
   x = 1,583,554,974.63/18,123.94
6. Step 6: Final answer
   x = 87,373.67