Finding the Third Proportional to 1,236,442 and 2,636,186

Step by Step Solution

1. Step 1: Write the proportion equation
   1,236,442 : 2,636,186 = 2,636,186 : x
2. Step 2: Convert to fraction form
   1,236,442/2,636,186 = 2,636,186/x
3. Step 3: Cross multiply
   1,236,442x = 2,636,186 × 2,636,186
4. Step 4: Simplify right side
   1,236,442x = 6,949,476,626,596
5. Step 5: Solve for x
   x = 6,949,476,626,596/1,236,442
6. Step 6: Final answer
   x = 5,620,543.97