Finding the Third Proportional to 80,017.50 and 174,435

Step by Step Solution

1. Step 1: Write the proportion equation
   80,017.50 : 174,435 = 174,435 : x
2. Step 2: Convert to fraction form
   80,017.50/174,435 = 174,435/x
3. Step 3: Cross multiply
   80,017.50x = 174,435 × 174,435
4. Step 4: Simplify right side
   80,017.50x = 30,427,569,225
5. Step 5: Solve for x
   x = 30,427,569,225/80,017.50
6. Step 6: Final answer
   x = 380,261.43