Finding the Third Proportional to 64,739.25 and 133,974

Step by Step Solution

1. Step 1: Write the proportion equation
   64,739.25 : 133,974 = 133,974 : x
2. Step 2: Convert to fraction form
   64,739.25/133,974 = 133,974/x
3. Step 3: Cross multiply
   64,739.25x = 133,974 × 133,974
4. Step 4: Simplify right side
   64,739.25x = 17,949,032,676
5. Step 5: Solve for x
   x = 17,949,032,676/64,739.25
6. Step 6: Final answer
   x = 277,251.17