Finding the Third Proportional to 1,339,746 and 2,889,390

Step by Step Solution

1. Step 1: Write the proportion equation
   1,339,746 : 2,889,390 = 2,889,390 : x
2. Step 2: Convert to fraction form
   1,339,746/2,889,390 = 2,889,390/x
3. Step 3: Cross multiply
   1,339,746x = 2,889,390 × 2,889,390
4. Step 4: Simplify right side
   1,339,746x = 8,348,574,572,100
5. Step 5: Solve for x
   x = 8,348,574,572,100/1,339,746
6. Step 6: Final answer
   x = 6,231,460.72