Finding the Third Proportional to 143,120,124 and 314,356,608

Step by Step Solution

1. Step 1: Write the proportion equation
   143,120,124 : 314,356,608 = 314,356,608 : x
2. Step 2: Convert to fraction form
   143,120,124/314,356,608 = 314,356,608/x
3. Step 3: Cross multiply
   143,120,124x = 314,356,608 × 314,356,608
4. Step 4: Simplify right side
   143,120,124x = 98,820,076,993,265,664
5. Step 5: Solve for x
   x = 98,820,076,993,265,664/143,120,124
6. Step 6: Final answer
   x = 690,469,475.79