Finding the Third Proportional to 623,674 and 1,320,962

Step by Step Solution

1. Step 1: Write the proportion equation
   623,674 : 1,320,962 = 1,320,962 : x
2. Step 2: Convert to fraction form
   623,674/1,320,962 = 1,320,962/x
3. Step 3: Cross multiply
   623,674x = 1,320,962 × 1,320,962
4. Step 4: Simplify right side
   623,674x = 1,744,940,605,444
5. Step 5: Solve for x
   x = 1,744,940,605,444/623,674
6. Step 6: Final answer
   x = 2,797,840.87