Finding the Third Proportional to 2,578,304 and 5,368,328

Step by Step Solution

1. Step 1: Write the proportion equation
   2,578,304 : 5,368,328 = 5,368,328 : x
2. Step 2: Convert to fraction form
   2,578,304/5,368,328 = 5,368,328/x
3. Step 3: Cross multiply
   2,578,304x = 5,368,328 × 5,368,328
4. Step 4: Simplify right side
   2,578,304x = 28,818,945,515,584
5. Step 5: Solve for x
   x = 28,818,945,515,584/2,578,304
6. Step 6: Final answer
   x = 11,177,481.60