Finding the Third Proportional to 2,574,486 and 5,553,636

Step by Step Solution

1. Step 1: Write the proportion equation
   2,574,486 : 5,553,636 = 5,553,636 : x
2. Step 2: Convert to fraction form
   2,574,486/5,553,636 = 5,553,636/x
3. Step 3: Cross multiply
   2,574,486x = 5,553,636 × 5,553,636
4. Step 4: Simplify right side
   2,574,486x = 30,842,872,820,496
5. Step 5: Solve for x
   x = 30,842,872,820,496/2,574,486
6. Step 6: Final answer
   x = 11,980,206.08