Finding the Third Proportional to 2,436,786 and 5,280,354

Step by Step Solution

1. Step 1: Write the proportion equation
   2,436,786 : 5,280,354 = 5,280,354 : x
2. Step 2: Convert to fraction form
   2,436,786/5,280,354 = 5,280,354/x
3. Step 3: Cross multiply
   2,436,786x = 5,280,354 × 5,280,354
4. Step 4: Simplify right side
   2,436,786x = 27,882,138,365,316
5. Step 5: Solve for x
   x = 27,882,138,365,316/2,436,786
6. Step 6: Final answer
   x = 11,442,177.67