Finding the Third Proportional to 64,198 and 154,648

Step by Step Solution

1. Step 1: Write the proportion equation
   64,198 : 154,648 = 154,648 : x
2. Step 2: Convert to fraction form
   64,198/154,648 = 154,648/x
3. Step 3: Cross multiply
   64,198x = 154,648 × 154,648
4. Step 4: Simplify right side
   64,198x = 23,916,003,904
5. Step 5: Solve for x
   x = 23,916,003,904/64,198
6. Step 6: Final answer
   x = 372,535.03