Finding the Third Proportional to 124,613 and 274,147

Step by Step Solution

1. Step 1: Write the proportion equation
   124,613 : 274,147 = 274,147 : x
2. Step 2: Convert to fraction form
   124,613/274,147 = 274,147/x
3. Step 3: Cross multiply
   124,613x = 274,147 × 274,147
4. Step 4: Simplify right side
   124,613x = 75,156,577,609
5. Step 5: Solve for x
   x = 75,156,577,609/124,613
6. Step 6: Final answer
   x = 603,119.88