Finding the Third Proportional to 1,339,628 and 1,873,816

Step by Step Solution

1. Step 1: Write the proportion equation
   1,339,628 : 1,873,816 = 1,873,816 : x
2. Step 2: Convert to fraction form
   1,339,628/1,873,816 = 1,873,816/x
3. Step 3: Cross multiply
   1,339,628x = 1,873,816 × 1,873,816
4. Step 4: Simplify right side
   1,339,628x = 3,511,186,401,856
5. Step 5: Solve for x
   x = 3,511,186,401,856/1,339,628
6. Step 6: Final answer
   x = 2,621,015.98