Finding the Third Proportional to 1,266,638 and 1,893,630

Step by Step Solution

1. Step 1: Write the proportion equation
   1,266,638 : 1,893,630 = 1,893,630 : x
2. Step 2: Convert to fraction form
   1,266,638/1,893,630 = 1,893,630/x
3. Step 3: Cross multiply
   1,266,638x = 1,893,630 × 1,893,630
4. Step 4: Simplify right side
   1,266,638x = 3,585,834,576,900
5. Step 5: Solve for x
   x = 3,585,834,576,900/1,266,638
6. Step 6: Final answer
   x = 2,830,986.10