Finding the Third Proportional to 79,381.50 and 171,702

Step by Step Solution

1. Step 1: Write the proportion equation
   79,381.50 : 171,702 = 171,702 : x
2. Step 2: Convert to fraction form
   79,381.50/171,702 = 171,702/x
3. Step 3: Cross multiply
   79,381.50x = 171,702 × 171,702
4. Step 4: Simplify right side
   79,381.50x = 29,481,576,804
5. Step 5: Solve for x
   x = 29,481,576,804/79,381.50
6. Step 6: Final answer
   x = 371,391.03