Finding the Third Proportional to 2,188,200 and 3,312,504

Step by Step Solution

1. Step 1: Write the proportion equation
   2,188,200 : 3,312,504 = 3,312,504 : x
2. Step 2: Convert to fraction form
   2,188,200/3,312,504 = 3,312,504/x
3. Step 3: Cross multiply
   2,188,200x = 3,312,504 × 3,312,504
4. Step 4: Simplify right side
   2,188,200x = 10,972,682,750,016
5. Step 5: Solve for x
   x = 10,972,682,750,016/2,188,200
6. Step 6: Final answer
   x = 5,014,478.91