Finding the Third Proportional to 1,261,668 and 1,890,628

Step by Step Solution

1. Step 1: Write the proportion equation
   1,261,668 : 1,890,628 = 1,890,628 : x
2. Step 2: Convert to fraction form
   1,261,668/1,890,628 = 1,890,628/x
3. Step 3: Cross multiply
   1,261,668x = 1,890,628 × 1,890,628
4. Step 4: Simplify right side
   1,261,668x = 3,574,474,234,384
5. Step 5: Solve for x
   x = 3,574,474,234,384/1,261,668
6. Step 6: Final answer
   x = 2,833,133.78