Finding the Third Proportional to 1,296,292 and 2,028,870

Step by Step Solution

1. Step 1: Write the proportion equation
   1,296,292 : 2,028,870 = 2,028,870 : x
2. Step 2: Convert to fraction form
   1,296,292/2,028,870 = 2,028,870/x
3. Step 3: Cross multiply
   1,296,292x = 2,028,870 × 2,028,870
4. Step 4: Simplify right side
   1,296,292x = 4,116,313,476,900
5. Step 5: Solve for x
   x = 4,116,313,476,900/1,296,292
6. Step 6: Final answer
   x = 3,175,452.35