Finding the Third Proportional to 367,054 and 680,707

Step by Step Solution

1. Step 1: Write the proportion equation
   367,054 : 680,707 = 680,707 : x
2. Step 2: Convert to fraction form
   367,054/680,707 = 680,707/x
3. Step 3: Cross multiply
   367,054x = 680,707 × 680,707
4. Step 4: Simplify right side
   367,054x = 463,362,019,849
5. Step 5: Solve for x
   x = 463,362,019,849/367,054
6. Step 6: Final answer
   x = 1,262,381.07