Finding the Third Proportional to 141,872 and 308,944

Step by Step Solution

1. Step 1: Write the proportion equation
   141,872 : 308,944 = 308,944 : x
2. Step 2: Convert to fraction form
   141,872/308,944 = 308,944/x
3. Step 3: Cross multiply
   141,872x = 308,944 × 308,944
4. Step 4: Simplify right side
   141,872x = 95,446,395,136
5. Step 5: Solve for x
   x = 95,446,395,136/141,872
6. Step 6: Final answer
   x = 672,764.15