Finding the Third Proportional to 124,630 and 274,180

Step by Step Solution

1. Step 1: Write the proportion equation
   124,630 : 274,180 = 274,180 : x
2. Step 2: Convert to fraction form
   124,630/274,180 = 274,180/x
3. Step 3: Cross multiply
   124,630x = 274,180 × 274,180
4. Step 4: Simplify right side
   124,630x = 75,174,672,400
5. Step 5: Solve for x
   x = 75,174,672,400/124,630
6. Step 6: Final answer
   x = 603,182.80