Finding the Third Proportional to 2,876,028 and 4,578,543

Step by Step Solution

1. Step 1: Write the proportion equation
   2,876,028 : 4,578,543 = 4,578,543 : x
2. Step 2: Convert to fraction form
   2,876,028/4,578,543 = 4,578,543/x
3. Step 3: Cross multiply
   2,876,028x = 4,578,543 × 4,578,543
4. Step 4: Simplify right side
   2,876,028x = 20,963,056,002,849
5. Step 5: Solve for x
   x = 20,963,056,002,849/2,876,028
6. Step 6: Final answer
   x = 7,288,891.49