Finding the Third Proportional to 1,283,841 and 1,986,840

Step by Step Solution

1. Step 1: Write the proportion equation
   1,283,841 : 1,986,840 = 1,986,840 : x
2. Step 2: Convert to fraction form
   1,283,841/1,986,840 = 1,986,840/x
3. Step 3: Cross multiply
   1,283,841x = 1,986,840 × 1,986,840
4. Step 4: Simplify right side
   1,283,841x = 3,947,533,185,600
5. Step 5: Solve for x
   x = 3,947,533,185,600/1,283,841
6. Step 6: Final answer
   x = 3,074,783.55