Finding the Third Proportional to 2,579,905 and 5,607,578

Step by Step Solution

1. Step 1: Write the proportion equation
   2,579,905 : 5,607,578 = 5,607,578 : x
2. Step 2: Convert to fraction form
   2,579,905/5,607,578 = 5,607,578/x
3. Step 3: Cross multiply
   2,579,905x = 5,607,578 × 5,607,578
4. Step 4: Simplify right side
   2,579,905x = 31,444,931,026,084
5. Step 5: Solve for x
   x = 31,444,931,026,084/2,579,905
6. Step 6: Final answer
   x = 12,188,406.56