Finding the Third Proportional to 673,684 and 1,440,716

Step by Step Solution

1. Step 1: Write the proportion equation
   673,684 : 1,440,716 = 1,440,716 : x
2. Step 2: Convert to fraction form
   673,684/1,440,716 = 1,440,716/x
3. Step 3: Cross multiply
   673,684x = 1,440,716 × 1,440,716
4. Step 4: Simplify right side
   673,684x = 2,075,662,592,656
5. Step 5: Solve for x
   x = 2,075,662,592,656/673,684
6. Step 6: Final answer
   x = 3,081,062.62