Finding the Third Proportional to 2,554,488 and 4,257,308

Step by Step Solution

1. Step 1: Write the proportion equation
   2,554,488 : 4,257,308 = 4,257,308 : x
2. Step 2: Convert to fraction form
   2,554,488/4,257,308 = 4,257,308/x
3. Step 3: Cross multiply
   2,554,488x = 4,257,308 × 4,257,308
4. Step 4: Simplify right side
   2,554,488x = 18,124,671,406,864
5. Step 5: Solve for x
   x = 18,124,671,406,864/2,554,488
6. Step 6: Final answer
   x = 7,095,226.68