Finding the Third Proportional to 164,439 and 245,998

Step by Step Solution

1. Step 1: Write the proportion equation
   164,439 : 245,998 = 245,998 : x
2. Step 2: Convert to fraction form
   164,439/245,998 = 245,998/x
3. Step 3: Cross multiply
   164,439x = 245,998 × 245,998
4. Step 4: Simplify right side
   164,439x = 60,515,016,004
5. Step 5: Solve for x
   x = 60,515,016,004/164,439
6. Step 6: Final answer
   x = 368,008.90