Finding the Third Proportional to 1,687,720 and 2,254,506

Step by Step Solution

1. Step 1: Write the proportion equation
   1,687,720 : 2,254,506 = 2,254,506 : x
2. Step 2: Convert to fraction form
   1,687,720/2,254,506 = 2,254,506/x
3. Step 3: Cross multiply
   1,687,720x = 2,254,506 × 2,254,506
4. Step 4: Simplify right side
   1,687,720x = 5,082,797,304,036
5. Step 5: Solve for x
   x = 5,082,797,304,036/1,687,720
6. Step 6: Final answer
   x = 3,011,635.40