Finding the Third Proportional to 668,757 and 1,036,670

Step by Step Solution

1. Step 1: Write the proportion equation
   668,757 : 1,036,670 = 1,036,670 : x
2. Step 2: Convert to fraction form
   668,757/1,036,670 = 1,036,670/x
3. Step 3: Cross multiply
   668,757x = 1,036,670 × 1,036,670
4. Step 4: Simplify right side
   668,757x = 1,074,684,688,900
5. Step 5: Solve for x
   x = 1,074,684,688,900/668,757
6. Step 6: Final answer
   x = 1,606,988.32