Finding the Third Proportional to 1,258,790 and 1,898,635

Step by Step Solution

1. Step 1: Write the proportion equation
   1,258,790 : 1,898,635 = 1,898,635 : x
2. Step 2: Convert to fraction form
   1,258,790/1,898,635 = 1,898,635/x
3. Step 3: Cross multiply
   1,258,790x = 1,898,635 × 1,898,635
4. Step 4: Simplify right side
   1,258,790x = 3,604,814,863,225
5. Step 5: Solve for x
   x = 3,604,814,863,225/1,258,790
6. Step 6: Final answer
   x = 2,863,714.25