Finding the Third Proportional to 144,129,222 and 317,083,980

Step by Step Solution

1. Step 1: Write the proportion equation
   144,129,222 : 317,083,980 = 317,083,980 : x
2. Step 2: Convert to fraction form
   144,129,222/317,083,980 = 317,083,980/x
3. Step 3: Cross multiply
   144,129,222x = 317,083,980 × 317,083,980
4. Step 4: Simplify right side
   144,129,222x = 100,542,250,372,640,400
5. Step 5: Solve for x
   x = 100,542,250,372,640,400/144,129,222
6. Step 6: Final answer
   x = 697,584,077.52