Finding the Third Proportional to 80,112 and 172,284

Step by Step Solution

1. Step 1: Write the proportion equation
   80,112 : 172,284 = 172,284 : x
2. Step 2: Convert to fraction form
   80,112/172,284 = 172,284/x
3. Step 3: Cross multiply
   80,112x = 172,284 × 172,284
4. Step 4: Simplify right side
   80,112x = 29,681,776,656
5. Step 5: Solve for x
   x = 29,681,776,656/80,112
6. Step 6: Final answer
   x = 370,503.50