Finding the Third Proportional to 670,311 and 1,581,012

Step by Step Solution

1. Step 1: Write the proportion equation
   670,311 : 1,581,012 = 1,581,012 : x
2. Step 2: Convert to fraction form
   670,311/1,581,012 = 1,581,012/x
3. Step 3: Cross multiply
   670,311x = 1,581,012 × 1,581,012
4. Step 4: Simplify right side
   670,311x = 2,499,598,944,144
5. Step 5: Solve for x
   x = 2,499,598,944,144/670,311
6. Step 6: Final answer
   x = 3,729,013.76