Finding the Third Proportional to 80,806 and 176,300

Step by Step Solution

1. Step 1: Write the proportion equation
   80,806 : 176,300 = 176,300 : x
2. Step 2: Convert to fraction form
   80,806/176,300 = 176,300/x
3. Step 3: Cross multiply
   80,806x = 176,300 × 176,300
4. Step 4: Simplify right side
   80,806x = 31,081,690,000
5. Step 5: Solve for x
   x = 31,081,690,000/80,806
6. Step 6: Final answer
   x = 384,645.82