Finding the Third Proportional to 124,425 and 192,978

Step by Step Solution

1. Step 1: Write the proportion equation
   124,425 : 192,978 = 192,978 : x
2. Step 2: Convert to fraction form
   124,425/192,978 = 192,978/x
3. Step 3: Cross multiply
   124,425x = 192,978 × 192,978
4. Step 4: Simplify right side
   124,425x = 37,240,508,484
5. Step 5: Solve for x
   x = 37,240,508,484/124,425
6. Step 6: Final answer
   x = 299,300.85