Finding the Third Proportional to 67,194,589,142 and 143,973,568,368

Step by Step Solution

1. Step 1: Write the proportion equation
   67,194,589,142 : 143,973,568,368 = 143,973,568,368 : x
2. Step 2: Convert to fraction form
   67,194,589,142/143,973,568,368 = 143,973,568,368/x
3. Step 3: Cross multiply
   67,194,589,142x = 143,973,568,368 × 143,973,568,368
4. Step 4: Simplify right side
   67,194,589,142x = 20,728,388,388,615,171,866,624
5. Step 5: Solve for x
   x = 20,728,388,388,615,171,866,624/67,194,589,142
6. Step 6: Final answer
   x = 308,482,999,201.18