Finding the Third Proportional to 276,414.75 and 602,856

Step by Step Solution

1. Step 1: Write the proportion equation
   276,414.75 : 602,856 = 602,856 : x
2. Step 2: Convert to fraction form
   276,414.75/602,856 = 602,856/x
3. Step 3: Cross multiply
   276,414.75x = 602,856 × 602,856
4. Step 4: Simplify right side
   276,414.75x = 363,435,356,736
5. Step 5: Solve for x
   x = 363,435,356,736/276,414.75
6. Step 6: Final answer
   x = 1,314,818.97