Finding the Third Proportional to 508,773 and 805,443

Step by Step Solution

1. Step 1: Write the proportion equation
   508,773 : 805,443 = 805,443 : x
2. Step 2: Convert to fraction form
   508,773/805,443 = 805,443/x
3. Step 3: Cross multiply
   508,773x = 805,443 × 805,443
4. Step 4: Simplify right side
   508,773x = 648,738,426,249
5. Step 5: Solve for x
   x = 648,738,426,249/508,773
6. Step 6: Final answer
   x = 1,275,103.88