Finding the Third Proportional to 2,578,292 and 5,618,768

Step by Step Solution

1. Step 1: Write the proportion equation
   2,578,292 : 5,618,768 = 5,618,768 : x
2. Step 2: Convert to fraction form
   2,578,292/5,618,768 = 5,618,768/x
3. Step 3: Cross multiply
   2,578,292x = 5,618,768 × 5,618,768
4. Step 4: Simplify right side
   2,578,292x = 31,570,553,837,824
5. Step 5: Solve for x
   x = 31,570,553,837,824/2,578,292
6. Step 6: Final answer
   x = 12,244,754.99