Finding the Third Proportional to 721,170 and 1,044,576

Step by Step Solution

1. Step 1: Write the proportion equation
   721,170 : 1,044,576 = 1,044,576 : x
2. Step 2: Convert to fraction form
   721,170/1,044,576 = 1,044,576/x
3. Step 3: Cross multiply
   721,170x = 1,044,576 × 1,044,576
4. Step 4: Simplify right side
   721,170x = 1,091,139,019,776
5. Step 5: Solve for x
   x = 1,091,139,019,776/721,170
6. Step 6: Final answer
   x = 1,513,012.22