Finding the Third Proportional to 143,799 and 302,049

Step by Step Solution

1. Step 1: Write the proportion equation
   143,799 : 302,049 = 302,049 : x
2. Step 2: Convert to fraction form
   143,799/302,049 = 302,049/x
3. Step 3: Cross multiply
   143,799x = 302,049 × 302,049
4. Step 4: Simplify right side
   143,799x = 91,233,598,401
5. Step 5: Solve for x
   x = 91,233,598,401/143,799
6. Step 6: Final answer
   x = 634,452.25