Finding the Third Proportional to 3,338,628 and 7,196,424

Step by Step Solution

1. Step 1: Write the proportion equation
   3,338,628 : 7,196,424 = 7,196,424 : x
2. Step 2: Convert to fraction form
   3,338,628/7,196,424 = 7,196,424/x
3. Step 3: Cross multiply
   3,338,628x = 7,196,424 × 7,196,424
4. Step 4: Simplify right side
   3,338,628x = 51,788,518,387,776
5. Step 5: Solve for x
   x = 51,788,518,387,776/3,338,628
6. Step 6: Final answer
   x = 15,511,916.39