Finding the Third Proportional to 124,662 and 274,242

Step by Step Solution

1. Step 1: Write the proportion equation
   124,662 : 274,242 = 274,242 : x
2. Step 2: Convert to fraction form
   124,662/274,242 = 274,242/x
3. Step 3: Cross multiply
   124,662x = 274,242 × 274,242
4. Step 4: Simplify right side
   124,662x = 75,208,674,564
5. Step 5: Solve for x
   x = 75,208,674,564/124,662
6. Step 6: Final answer
   x = 603,300.72