Finding the Third Proportional to 336,871 and 492,162

Step by Step Solution

1. Step 1: Write the proportion equation
   336,871 : 492,162 = 492,162 : x
2. Step 2: Convert to fraction form
   336,871/492,162 = 492,162/x
3. Step 3: Cross multiply
   336,871x = 492,162 × 492,162
4. Step 4: Simplify right side
   336,871x = 242,223,434,244
5. Step 5: Solve for x
   x = 242,223,434,244/336,871
6. Step 6: Final answer
   x = 719,039.14