Finding the Third Proportional to 1,199,123 and 2,569,180

Step by Step Solution

1. Step 1: Write the proportion equation
   1,199,123 : 2,569,180 = 2,569,180 : x
2. Step 2: Convert to fraction form
   1,199,123/2,569,180 = 2,569,180/x
3. Step 3: Cross multiply
   1,199,123x = 2,569,180 × 2,569,180
4. Step 4: Simplify right side
   1,199,123x = 6,600,685,872,400
5. Step 5: Solve for x
   x = 6,600,685,872,400/1,199,123
6. Step 6: Final answer
   x = 5,504,594.50