Finding the Third Proportional to 688,610 and 1,491,568

Step by Step Solution

1. Step 1: Write the proportion equation
   688,610 : 1,491,568 = 1,491,568 : x
2. Step 2: Convert to fraction form
   688,610/1,491,568 = 1,491,568/x
3. Step 3: Cross multiply
   688,610x = 1,491,568 × 1,491,568
4. Step 4: Simplify right side
   688,610x = 2,224,775,098,624
5. Step 5: Solve for x
   x = 2,224,775,098,624/688,610
6. Step 6: Final answer
   x = 3,230,820.20