Finding the Third Proportional to 122,870,568 and 263,975,710

Step by Step Solution

1. Step 1: Write the proportion equation
   122,870,568 : 263,975,710 = 263,975,710 : x
2. Step 2: Convert to fraction form
   122,870,568/263,975,710 = 263,975,710/x
3. Step 3: Cross multiply
   122,870,568x = 263,975,710 × 263,975,710
4. Step 4: Simplify right side
   122,870,568x = 69,683,175,470,004,096
5. Step 5: Solve for x
   x = 69,683,175,470,004,096/122,870,568
6. Step 6: Final answer
   x = 567,126,665.11