Finding the Third Proportional to 55,393.50 and 133,548

Step by Step Solution

1. Step 1: Write the proportion equation
   55,393.50 : 133,548 = 133,548 : x
2. Step 2: Convert to fraction form
   55,393.50/133,548 = 133,548/x
3. Step 3: Cross multiply
   55,393.50x = 133,548 × 133,548
4. Step 4: Simplify right side
   55,393.50x = 17,835,068,304
5. Step 5: Solve for x
   x = 17,835,068,304/55,393.50
6. Step 6: Final answer
   x = 321,970.42