Finding the Third Proportional to 2,578,370 and 5,464,089

Step by Step Solution

1. Step 1: Write the proportion equation
   2,578,370 : 5,464,089 = 5,464,089 : x
2. Step 2: Convert to fraction form
   2,578,370/5,464,089 = 5,464,089/x
3. Step 3: Cross multiply
   2,578,370x = 5,464,089 × 5,464,089
4. Step 4: Simplify right side
   2,578,370x = 29,856,268,599,921
5. Step 5: Solve for x
   x = 29,856,268,599,921/2,578,370
6. Step 6: Final answer
   x = 11,579,512.87