Finding the Third Proportional to 2,578,516 and 5,368,934

Step by Step Solution

1. Step 1: Write the proportion equation
   2,578,516 : 5,368,934 = 5,368,934 : x
2. Step 2: Convert to fraction form
   2,578,516/5,368,934 = 5,368,934/x
3. Step 3: Cross multiply
   2,578,516x = 5,368,934 × 5,368,934
4. Step 4: Simplify right side
   2,578,516x = 28,825,452,296,356
5. Step 5: Solve for x
   x = 28,825,452,296,356/2,578,516
6. Step 6: Final answer
   x = 11,179,086.07