Finding the Third Proportional to 1,139,283 and 2,458,698

Step by Step Solution

1. Step 1: Write the proportion equation
   1,139,283 : 2,458,698 = 2,458,698 : x
2. Step 2: Convert to fraction form
   1,139,283/2,458,698 = 2,458,698/x
3. Step 3: Cross multiply
   1,139,283x = 2,458,698 × 2,458,698
4. Step 4: Simplify right side
   1,139,283x = 6,045,195,855,204
5. Step 5: Solve for x
   x = 6,045,195,855,204/1,139,283
6. Step 6: Final answer
   x = 5,306,140.66