Finding the Third Proportional to 1,636,596 and 3,556,476

Step by Step Solution

1. Step 1: Write the proportion equation
   1,636,596 : 3,556,476 = 3,556,476 : x
2. Step 2: Convert to fraction form
   1,636,596/3,556,476 = 3,556,476/x
3. Step 3: Cross multiply
   1,636,596x = 3,556,476 × 3,556,476
4. Step 4: Simplify right side
   1,636,596x = 12,648,521,538,576
5. Step 5: Solve for x
   x = 12,648,521,538,576/1,636,596
6. Step 6: Final answer
   x = 7,728,554.60