Finding the Third Proportional to 2,155,404 and 3,381,176

Step by Step Solution

1. Step 1: Write the proportion equation
   2,155,404 : 3,381,176 = 3,381,176 : x
2. Step 2: Convert to fraction form
   2,155,404/3,381,176 = 3,381,176/x
3. Step 3: Cross multiply
   2,155,404x = 3,381,176 × 3,381,176
4. Step 4: Simplify right side
   2,155,404x = 11,432,351,142,976
5. Step 5: Solve for x
   x = 11,432,351,142,976/2,155,404
6. Step 6: Final answer
   x = 5,304,040.98