Finding the Third Proportional to 458,196.75 and 673,570.69

Step by Step Solution

1. Step 1: Write the proportion equation
   458,196.75 : 673,570.69 = 673,570.69 : x
2. Step 2: Convert to fraction form
   458,196.75/673,570.69 = 673,570.69/x
3. Step 3: Cross multiply
   458,196.75x = 673,570.69 × 673,570.69
4. Step 4: Simplify right side
   458,196.75x = 453,697,471,059.22
5. Step 5: Solve for x
   x = 453,697,471,059.22/458,196.75
6. Step 6: Final answer
   x = 990,180.47