Finding the Third Proportional to 196,796 and 276,150

Step by Step Solution

1. Step 1: Write the proportion equation
   196,796 : 276,150 = 276,150 : x
2. Step 2: Convert to fraction form
   196,796/276,150 = 276,150/x
3. Step 3: Cross multiply
   196,796x = 276,150 × 276,150
4. Step 4: Simplify right side
   196,796x = 76,258,822,500
5. Step 5: Solve for x
   x = 76,258,822,500/196,796
6. Step 6: Final answer
   x = 387,501.89