Finding the Third Proportional to 276,976.50 and 612,081

Step by Step Solution

1. Step 1: Write the proportion equation
   276,976.50 : 612,081 = 612,081 : x
2. Step 2: Convert to fraction form
   276,976.50/612,081 = 612,081/x
3. Step 3: Cross multiply
   276,976.50x = 612,081 × 612,081
4. Step 4: Simplify right side
   276,976.50x = 374,643,150,561
5. Step 5: Solve for x
   x = 374,643,150,561/276,976.50
6. Step 6: Final answer
   x = 1,352,617.10