Finding the Third Proportional to 2,253,854 and 5,011,636

Step by Step Solution

1. Step 1: Write the proportion equation
   2,253,854 : 5,011,636 = 5,011,636 : x
2. Step 2: Convert to fraction form
   2,253,854/5,011,636 = 5,011,636/x
3. Step 3: Cross multiply
   2,253,854x = 5,011,636 × 5,011,636
4. Step 4: Simplify right side
   2,253,854x = 25,116,495,396,496
5. Step 5: Solve for x
   x = 25,116,495,396,496/2,253,854
6. Step 6: Final answer
   x = 11,143,798.75