Finding the Third Proportional to 140,008 and 302,480

Step by Step Solution

1. Step 1: Write the proportion equation
   140,008 : 302,480 = 302,480 : x
2. Step 2: Convert to fraction form
   140,008/302,480 = 302,480/x
3. Step 3: Cross multiply
   140,008x = 302,480 × 302,480
4. Step 4: Simplify right side
   140,008x = 91,494,150,400
5. Step 5: Solve for x
   x = 91,494,150,400/140,008
6. Step 6: Final answer
   x = 653,492.30