Finding the Third Proportional to 1,258,479 and 1,887,853

Step by Step Solution

1. Step 1: Write the proportion equation
   1,258,479 : 1,887,853 = 1,887,853 : x
2. Step 2: Convert to fraction form
   1,258,479/1,887,853 = 1,887,853/x
3. Step 3: Cross multiply
   1,258,479x = 1,887,853 × 1,887,853
4. Step 4: Simplify right side
   1,258,479x = 3,563,988,949,609
5. Step 5: Solve for x
   x = 3,563,988,949,609/1,258,479
6. Step 6: Final answer
   x = 2,831,981.26