Finding the Third Proportional to 109,224 and 173,672

Step by Step Solution

1. Step 1: Write the proportion equation
   109,224 : 173,672 = 173,672 : x
2. Step 2: Convert to fraction form
   109,224/173,672 = 173,672/x
3. Step 3: Cross multiply
   109,224x = 173,672 × 173,672
4. Step 4: Simplify right side
   109,224x = 30,161,963,584
5. Step 5: Solve for x
   x = 30,161,963,584/109,224
6. Step 6: Final answer
   x = 276,147.77