Finding the Third Proportional to 1,159,138 and 2,489,674

Step by Step Solution

1. Step 1: Write the proportion equation
   1,159,138 : 2,489,674 = 2,489,674 : x
2. Step 2: Convert to fraction form
   1,159,138/2,489,674 = 2,489,674/x
3. Step 3: Cross multiply
   1,159,138x = 2,489,674 × 2,489,674
4. Step 4: Simplify right side
   1,159,138x = 6,198,476,626,276
5. Step 5: Solve for x
   x = 6,198,476,626,276/1,159,138
6. Step 6: Final answer
   x = 5,347,488.07