Finding the Third Proportional to 140,406 and 302,954

Step by Step Solution

1. Step 1: Write the proportion equation
   140,406 : 302,954 = 302,954 : x
2. Step 2: Convert to fraction form
   140,406/302,954 = 302,954/x
3. Step 3: Cross multiply
   140,406x = 302,954 × 302,954
4. Step 4: Simplify right side
   140,406x = 91,781,126,116
5. Step 5: Solve for x
   x = 91,781,126,116/140,406
6. Step 6: Final answer
   x = 653,683.79