Finding the Third Proportional to 164,438 and 245,996

Step by Step Solution

1. Step 1: Write the proportion equation
   164,438 : 245,996 = 245,996 : x
2. Step 2: Convert to fraction form
   164,438/245,996 = 245,996/x
3. Step 3: Cross multiply
   164,438x = 245,996 × 245,996
4. Step 4: Simplify right side
   164,438x = 60,514,032,016
5. Step 5: Solve for x
   x = 60,514,032,016/164,438
6. Step 6: Final answer
   x = 368,005.16