Finding the Third Proportional to 80,316 and 173,736

Step by Step Solution

1. Step 1: Write the proportion equation
   80,316 : 173,736 = 173,736 : x
2. Step 2: Convert to fraction form
   80,316/173,736 = 173,736/x
3. Step 3: Cross multiply
   80,316x = 173,736 × 173,736
4. Step 4: Simplify right side
   80,316x = 30,184,197,696
5. Step 5: Solve for x
   x = 30,184,197,696/80,316
6. Step 6: Final answer
   x = 375,817.99