Finding the Third Proportional to 149,474 and 226,978

Step by Step Solution

1. Step 1: Write the proportion equation
   149,474 : 226,978 = 226,978 : x
2. Step 2: Convert to fraction form
   149,474/226,978 = 226,978/x
3. Step 3: Cross multiply
   149,474x = 226,978 × 226,978
4. Step 4: Simplify right side
   149,474x = 51,519,012,484
5. Step 5: Solve for x
   x = 51,519,012,484/149,474
6. Step 6: Final answer
   x = 344,668.72