Finding the Third Proportional to 1,489,614 and 3,189,174

Step by Step Solution

1. Step 1: Write the proportion equation
   1,489,614 : 3,189,174 = 3,189,174 : x
2. Step 2: Convert to fraction form
   1,489,614/3,189,174 = 3,189,174/x
3. Step 3: Cross multiply
   1,489,614x = 3,189,174 × 3,189,174
4. Step 4: Simplify right side
   1,489,614x = 10,170,830,802,276
5. Step 5: Solve for x
   x = 10,170,830,802,276/1,489,614
6. Step 6: Final answer
   x = 6,827,829.76