Finding the Third Proportional to 2,578,340 and 5,464,034

Step by Step Solution

1. Step 1: Write the proportion equation
   2,578,340 : 5,464,034 = 5,464,034 : x
2. Step 2: Convert to fraction form
   2,578,340/5,464,034 = 5,464,034/x
3. Step 3: Cross multiply
   2,578,340x = 5,464,034 × 5,464,034
4. Step 4: Simplify right side
   2,578,340x = 29,855,667,553,156
5. Step 5: Solve for x
   x = 29,855,667,553,156/2,578,340
6. Step 6: Final answer
   x = 11,579,414.49