Finding the Third Proportional to 80,620 and 175,088

Step by Step Solution

1. Step 1: Write the proportion equation
   80,620 : 175,088 = 175,088 : x
2. Step 2: Convert to fraction form
   80,620/175,088 = 175,088/x
3. Step 3: Cross multiply
   80,620x = 175,088 × 175,088
4. Step 4: Simplify right side
   80,620x = 30,655,807,744
5. Step 5: Solve for x
   x = 30,655,807,744/80,620
6. Step 6: Final answer
   x = 380,250.65