Finding the Third Proportional to 191,139 and 446,408.25

Step by Step Solution

1. Step 1: Write the proportion equation
   191,139 : 446,408.25 = 446,408.25 : x
2. Step 2: Convert to fraction form
   191,139/446,408.25 = 446,408.25/x
3. Step 3: Cross multiply
   191,139x = 446,408.25 × 446,408.25
4. Step 4: Simplify right side
   191,139x = 199,280,325,668.06
5. Step 5: Solve for x
   x = 199,280,325,668.06/191,139
6. Step 6: Final answer
   x = 1,042,593.74