Finding the Third Proportional to 673,656 and 1,440,672

Step by Step Solution

1. Step 1: Write the proportion equation
   673,656 : 1,440,672 = 1,440,672 : x
2. Step 2: Convert to fraction form
   673,656/1,440,672 = 1,440,672/x
3. Step 3: Cross multiply
   673,656x = 1,440,672 × 1,440,672
4. Step 4: Simplify right side
   673,656x = 2,075,535,811,584
5. Step 5: Solve for x
   x = 2,075,535,811,584/673,656
6. Step 6: Final answer
   x = 3,081,002.49