Finding the Third Proportional to 1,636,592 and 3,556,469

Step by Step Solution

1. Step 1: Write the proportion equation
   1,636,592 : 3,556,469 = 3,556,469 : x
2. Step 2: Convert to fraction form
   1,636,592/3,556,469 = 3,556,469/x
3. Step 3: Cross multiply
   1,636,592x = 3,556,469 × 3,556,469
4. Step 4: Simplify right side
   1,636,592x = 12,648,471,747,961
5. Step 5: Solve for x
   x = 12,648,471,747,961/1,636,592
6. Step 6: Final answer
   x = 7,728,543.06