Finding the Third Proportional to 263,555,196,136 and 371,143,792,404

Step by Step Solution

1. Step 1: Write the proportion equation
   263,555,196,136 : 371,143,792,404 = 371,143,792,404 : x
2. Step 2: Convert to fraction form
   263,555,196,136/371,143,792,404 = 371,143,792,404/x
3. Step 3: Cross multiply
   263,555,196,136x = 371,143,792,404 × 371,143,792,404
4. Step 4: Simplify right side
   263,555,196,136x = 137,747,714,640,023,442,685,952
5. Step 5: Solve for x
   x = 137,747,714,640,023,442,685,952/263,555,196,136
6. Step 6: Final answer
   x = 522,652,243,854.62