Finding the Third Proportional to 2,124,290 and 3,188,739

Step by Step Solution

1. Step 1: Write the proportion equation
   2,124,290 : 3,188,739 = 3,188,739 : x
2. Step 2: Convert to fraction form
   2,124,290/3,188,739 = 3,188,739/x
3. Step 3: Cross multiply
   2,124,290x = 3,188,739 × 3,188,739
4. Step 4: Simplify right side
   2,124,290x = 10,168,056,410,121
5. Step 5: Solve for x
   x = 10,168,056,410,121/2,124,290
6. Step 6: Final answer
   x = 4,786,567.00