Finding the Third Proportional to 70,659 and 144,558

Step by Step Solution

1. Step 1: Write the proportion equation
   70,659 : 144,558 = 144,558 : x
2. Step 2: Convert to fraction form
   70,659/144,558 = 144,558/x
3. Step 3: Cross multiply
   70,659x = 144,558 × 144,558
4. Step 4: Simplify right side
   70,659x = 20,897,015,364
5. Step 5: Solve for x
   x = 20,897,015,364/70,659
6. Step 6: Final answer
   x = 295,744.57