Finding the Third Proportional to 68,036 and 144,308

Step by Step Solution

1. Step 1: Write the proportion equation
   68,036 : 144,308 = 144,308 : x
2. Step 2: Convert to fraction form
   68,036/144,308 = 144,308/x
3. Step 3: Cross multiply
   68,036x = 144,308 × 144,308
4. Step 4: Simplify right side
   68,036x = 20,824,798,864
5. Step 5: Solve for x
   x = 20,824,798,864/68,036
6. Step 6: Final answer
   x = 306,085.00