Finding the Third Proportional to 1,270,629 and 1,863,558

Step by Step Solution

1. Step 1: Write the proportion equation
   1,270,629 : 1,863,558 = 1,863,558 : x
2. Step 2: Convert to fraction form
   1,270,629/1,863,558 = 1,863,558/x
3. Step 3: Cross multiply
   1,270,629x = 1,863,558 × 1,863,558
4. Step 4: Simplify right side
   1,270,629x = 3,472,848,419,364
5. Step 5: Solve for x
   x = 3,472,848,419,364/1,270,629
6. Step 6: Final answer
   x = 2,733,172.64