Finding the Third Proportional to 673,438 and 1,479,716

Step by Step Solution

1. Step 1: Write the proportion equation
   673,438 : 1,479,716 = 1,479,716 : x
2. Step 2: Convert to fraction form
   673,438/1,479,716 = 1,479,716/x
3. Step 3: Cross multiply
   673,438x = 1,479,716 × 1,479,716
4. Step 4: Simplify right side
   673,438x = 2,189,559,440,656
5. Step 5: Solve for x
   x = 2,189,559,440,656/673,438
6. Step 6: Final answer
   x = 3,251,315.55