Finding the Third Proportional to 123,714 and 275,859

Step by Step Solution

1. Step 1: Write the proportion equation
   123,714 : 275,859 = 275,859 : x
2. Step 2: Convert to fraction form
   123,714/275,859 = 275,859/x
3. Step 3: Cross multiply
   123,714x = 275,859 × 275,859
4. Step 4: Simplify right side
   123,714x = 76,098,187,881
5. Step 5: Solve for x
   x = 76,098,187,881/123,714
6. Step 6: Final answer
   x = 615,113.79