Finding the Third Proportional to 568,138 and 1,243,177

Step by Step Solution

1. Step 1: Write the proportion equation
   568,138 : 1,243,177 = 1,243,177 : x
2. Step 2: Convert to fraction form
   568,138/1,243,177 = 1,243,177/x
3. Step 3: Cross multiply
   568,138x = 1,243,177 × 1,243,177
4. Step 4: Simplify right side
   568,138x = 1,545,489,053,329
5. Step 5: Solve for x
   x = 1,545,489,053,329/568,138
6. Step 6: Final answer
   x = 2,720,270.52