Finding the Third Proportional to 1,281,892 and 1,856,742

Step by Step Solution

1. Step 1: Write the proportion equation
   1,281,892 : 1,856,742 = 1,856,742 : x
2. Step 2: Convert to fraction form
   1,281,892/1,856,742 = 1,856,742/x
3. Step 3: Cross multiply
   1,281,892x = 1,856,742 × 1,856,742
4. Step 4: Simplify right side
   1,281,892x = 3,447,490,854,564
5. Step 5: Solve for x
   x = 3,447,490,854,564/1,281,892
6. Step 6: Final answer
   x = 2,689,376.99