Finding the Third Proportional to 140,664 and 308,008

Step by Step Solution

1. Step 1: Write the proportion equation
   140,664 : 308,008 = 308,008 : x
2. Step 2: Convert to fraction form
   140,664/308,008 = 308,008/x
3. Step 3: Cross multiply
   140,664x = 308,008 × 308,008
4. Step 4: Simplify right side
   140,664x = 94,868,928,064
5. Step 5: Solve for x
   x = 94,868,928,064/140,664
6. Step 6: Final answer
   x = 674,436.44