Finding the Third Proportional to 1,078,798 and 1,637,880

Step by Step Solution

1. Step 1: Write the proportion equation
   1,078,798 : 1,637,880 = 1,637,880 : x
2. Step 2: Convert to fraction form
   1,078,798/1,637,880 = 1,637,880/x
3. Step 3: Cross multiply
   1,078,798x = 1,637,880 × 1,637,880
4. Step 4: Simplify right side
   1,078,798x = 2,682,650,894,400
5. Step 5: Solve for x
   x = 2,682,650,894,400/1,078,798
6. Step 6: Final answer
   x = 2,486,703.62