Finding the Third Proportional to 164,211 and 352,978

Step by Step Solution

1. Step 1: Write the proportion equation
   164,211 : 352,978 = 352,978 : x
2. Step 2: Convert to fraction form
   164,211/352,978 = 352,978/x
3. Step 3: Cross multiply
   164,211x = 352,978 × 352,978
4. Step 4: Simplify right side
   164,211x = 124,593,468,484
5. Step 5: Solve for x
   x = 124,593,468,484/164,211
6. Step 6: Final answer
   x = 758,740.09