Finding the Third Proportional to 1,283,763 and 1,986,756

Step by Step Solution

1. Step 1: Write the proportion equation
   1,283,763 : 1,986,756 = 1,986,756 : x
2. Step 2: Convert to fraction form
   1,283,763/1,986,756 = 1,986,756/x
3. Step 3: Cross multiply
   1,283,763x = 1,986,756 × 1,986,756
4. Step 4: Simplify right side
   1,283,763x = 3,947,199,403,536
5. Step 5: Solve for x
   x = 3,947,199,403,536/1,283,763
6. Step 6: Final answer
   x = 3,074,710.37