Finding the Third Proportional to 169,058 and 356,978

Step by Step Solution

1. Step 1: Write the proportion equation
   169,058 : 356,978 = 356,978 : x
2. Step 2: Convert to fraction form
   169,058/356,978 = 356,978/x
3. Step 3: Cross multiply
   169,058x = 356,978 × 356,978
4. Step 4: Simplify right side
   169,058x = 127,433,292,484
5. Step 5: Solve for x
   x = 127,433,292,484/169,058
6. Step 6: Final answer
   x = 753,784.46