Finding the Third Proportional to 80,487.38 and 174,813.38

Step by Step Solution

1. Step 1: Write the proportion equation
   80,487.38 : 174,813.38 = 174,813.38 : x
2. Step 2: Convert to fraction form
   80,487.38/174,813.38 = 174,813.38/x
3. Step 3: Cross multiply
   80,487.38x = 174,813.38 × 174,813.38
4. Step 4: Simplify right side
   80,487.38x = 30,559,716,078.89
5. Step 5: Solve for x
   x = 30,559,716,078.89/80,487.38
6. Step 6: Final answer
   x = 379,683.35