Finding the Third Proportional to 1,281,120 and 1,855,488

Step by Step Solution

1. Step 1: Write the proportion equation
   1,281,120 : 1,855,488 = 1,855,488 : x
2. Step 2: Convert to fraction form
   1,281,120/1,855,488 = 1,855,488/x
3. Step 3: Cross multiply
   1,281,120x = 1,855,488 × 1,855,488
4. Step 4: Simplify right side
   1,281,120x = 3,442,835,718,144
5. Step 5: Solve for x
   x = 3,442,835,718,144/1,281,120
6. Step 6: Final answer
   x = 2,687,363.96