Finding the Third Proportional to 123,930 and 271,620

Step by Step Solution

1. Step 1: Write the proportion equation
   123,930 : 271,620 = 271,620 : x
2. Step 2: Convert to fraction form
   123,930/271,620 = 271,620/x
3. Step 3: Cross multiply
   123,930x = 271,620 × 271,620
4. Step 4: Simplify right side
   123,930x = 73,777,424,400
5. Step 5: Solve for x
   x = 73,777,424,400/123,930
6. Step 6: Final answer
   x = 595,315.29