Finding the Third Proportional to 164,020 and 245,173

Step by Step Solution

1. Step 1: Write the proportion equation
   164,020 : 245,173 = 245,173 : x
2. Step 2: Convert to fraction form
   164,020/245,173 = 245,173/x
3. Step 3: Cross multiply
   164,020x = 245,173 × 245,173
4. Step 4: Simplify right side
   164,020x = 60,109,799,929
5. Step 5: Solve for x
   x = 60,109,799,929/164,020
6. Step 6: Final answer
   x = 366,478.48