Finding the Third Proportional to 68,279 and 142,008

Step by Step Solution

1. Step 1: Write the proportion equation
   68,279 : 142,008 = 142,008 : x
2. Step 2: Convert to fraction form
   68,279/142,008 = 142,008/x
3. Step 3: Cross multiply
   68,279x = 142,008 × 142,008
4. Step 4: Simplify right side
   68,279x = 20,166,272,064
5. Step 5: Solve for x
   x = 20,166,272,064/68,279
6. Step 6: Final answer
   x = 295,351.02