Finding the Third Proportional to 674,504 and 1,561,556

Step by Step Solution

1. Step 1: Write the proportion equation
   674,504 : 1,561,556 = 1,561,556 : x
2. Step 2: Convert to fraction form
   674,504/1,561,556 = 1,561,556/x
3. Step 3: Cross multiply
   674,504x = 1,561,556 × 1,561,556
4. Step 4: Simplify right side
   674,504x = 2,438,457,141,136
5. Step 5: Solve for x
   x = 2,438,457,141,136/674,504
6. Step 6: Final answer
   x = 3,615,185.59