Finding the Third Proportional to 109,216 and 173,662

Step by Step Solution

1. Step 1: Write the proportion equation
   109,216 : 173,662 = 173,662 : x
2. Step 2: Convert to fraction form
   109,216/173,662 = 173,662/x
3. Step 3: Cross multiply
   109,216x = 173,662 × 173,662
4. Step 4: Simplify right side
   109,216x = 30,158,490,244
5. Step 5: Solve for x
   x = 30,158,490,244/109,216
6. Step 6: Final answer
   x = 276,136.19