Finding the Third Proportional to 1,887,890 and 2,831,804

Step by Step Solution

1. Step 1: Write the proportion equation
   1,887,890 : 2,831,804 = 2,831,804 : x
2. Step 2: Convert to fraction form
   1,887,890/2,831,804 = 2,831,804/x
3. Step 3: Cross multiply
   1,887,890x = 2,831,804 × 2,831,804
4. Step 4: Simplify right side
   1,887,890x = 8,019,113,894,416
5. Step 5: Solve for x
   x = 8,019,113,894,416/1,887,890
6. Step 6: Final answer
   x = 4,247,659.50