Finding the Third Proportional to 446,518.50 and 673,878

Step by Step Solution

1. Step 1: Write the proportion equation
   446,518.50 : 673,878 = 673,878 : x
2. Step 2: Convert to fraction form
   446,518.50/673,878 = 673,878/x
3. Step 3: Cross multiply
   446,518.50x = 673,878 × 673,878
4. Step 4: Simplify right side
   446,518.50x = 454,111,558,884
5. Step 5: Solve for x
   x = 454,111,558,884/446,518.50
6. Step 6: Final answer
   x = 1,017,005.03