Finding the Third Proportional to 2,154,392 and 3,189,928

Step by Step Solution

1. Step 1: Write the proportion equation
   2,154,392 : 3,189,928 = 3,189,928 : x
2. Step 2: Convert to fraction form
   2,154,392/3,189,928 = 3,189,928/x
3. Step 3: Cross multiply
   2,154,392x = 3,189,928 × 3,189,928
4. Step 4: Simplify right side
   2,154,392x = 10,175,640,645,184
5. Step 5: Solve for x
   x = 10,175,640,645,184/2,154,392
6. Step 6: Final answer
   x = 4,723,207.59