Finding the Third Proportional to 123,740 and 275,812

Step by Step Solution

1. Step 1: Write the proportion equation
   123,740 : 275,812 = 275,812 : x
2. Step 2: Convert to fraction form
   123,740/275,812 = 275,812/x
3. Step 3: Cross multiply
   123,740x = 275,812 × 275,812
4. Step 4: Simplify right side
   123,740x = 76,072,259,344
5. Step 5: Solve for x
   x = 76,072,259,344/123,740
6. Step 6: Final answer
   x = 614,775.01