Finding the Third Proportional to 1,258,815 and 1,898,673

Step by Step Solution

1. Step 1: Write the proportion equation
   1,258,815 : 1,898,673 = 1,898,673 : x
2. Step 2: Convert to fraction form
   1,258,815/1,898,673 = 1,898,673/x
3. Step 3: Cross multiply
   1,258,815x = 1,898,673 × 1,898,673
4. Step 4: Simplify right side
   1,258,815x = 3,604,959,160,929
5. Step 5: Solve for x
   x = 3,604,959,160,929/1,258,815
6. Step 6: Final answer
   x = 2,863,772.01