Finding the Third Proportional to 80,224 and 173,840

Step by Step Solution

1. Step 1: Write the proportion equation
   80,224 : 173,840 = 173,840 : x
2. Step 2: Convert to fraction form
   80,224/173,840 = 173,840/x
3. Step 3: Cross multiply
   80,224x = 173,840 × 173,840
4. Step 4: Simplify right side
   80,224x = 30,220,345,600
5. Step 5: Solve for x
   x = 30,220,345,600/80,224
6. Step 6: Final answer
   x = 376,699.56