Finding the Third Proportional to 124,124 and 196,635

Step by Step Solution

1. Step 1: Write the proportion equation
   124,124 : 196,635 = 196,635 : x
2. Step 2: Convert to fraction form
   124,124/196,635 = 196,635/x
3. Step 3: Cross multiply
   124,124x = 196,635 × 196,635
4. Step 4: Simplify right side
   124,124x = 38,665,323,225
5. Step 5: Solve for x
   x = 38,665,323,225/124,124
6. Step 6: Final answer
   x = 311,505.62