Finding the Third Proportional to 2,511,747 and 5,290,308

Step by Step Solution

1. Step 1: Write the proportion equation
   2,511,747 : 5,290,308 = 5,290,308 : x
2. Step 2: Convert to fraction form
   2,511,747/5,290,308 = 5,290,308/x
3. Step 3: Cross multiply
   2,511,747x = 5,290,308 × 5,290,308
4. Step 4: Simplify right side
   2,511,747x = 27,987,358,734,864
5. Step 5: Solve for x
   x = 27,987,358,734,864/2,511,747
6. Step 6: Final answer
   x = 11,142,586.71