Finding the Third Proportional to 143,120,144 and 314,356,648

Step by Step Solution

1. Step 1: Write the proportion equation
   143,120,144 : 314,356,648 = 314,356,648 : x
2. Step 2: Convert to fraction form
   143,120,144/314,356,648 = 314,356,648/x
3. Step 3: Cross multiply
   143,120,144x = 314,356,648 × 314,356,648
4. Step 4: Simplify right side
   143,120,144x = 98,820,102,141,795,904
5. Step 5: Solve for x
   x = 98,820,102,141,795,904/143,120,144
6. Step 6: Final answer
   x = 690,469,555.02