Finding the Third Proportional to 2,556,200 and 4,009,836

Step by Step Solution

1. Step 1: Write the proportion equation
   2,556,200 : 4,009,836 = 4,009,836 : x
2. Step 2: Convert to fraction form
   2,556,200/4,009,836 = 4,009,836/x
3. Step 3: Cross multiply
   2,556,200x = 4,009,836 × 4,009,836
4. Step 4: Simplify right side
   2,556,200x = 16,078,784,746,896
5. Step 5: Solve for x
   x = 16,078,784,746,896/2,556,200
6. Step 6: Final answer
   x = 6,290,112.18