Finding the Third Proportional to 1,258,783 and 1,898,623

Step by Step Solution

1. Step 1: Write the proportion equation
   1,258,783 : 1,898,623 = 1,898,623 : x
2. Step 2: Convert to fraction form
   1,258,783/1,898,623 = 1,898,623/x
3. Step 3: Cross multiply
   1,258,783x = 1,898,623 × 1,898,623
4. Step 4: Simplify right side
   1,258,783x = 3,604,769,296,129
5. Step 5: Solve for x
   x = 3,604,769,296,129/1,258,783
6. Step 6: Final answer
   x = 2,863,693.98