Finding the Third Proportional to 53,957.39 and 84,455.79

Step by Step Solution

1. Step 1: Write the proportion equation
   53,957.39 : 84,455.79 = 84,455.79 : x
2. Step 2: Convert to fraction form
   53,957.39/84,455.79 = 84,455.79/x
3. Step 3: Cross multiply
   53,957.39x = 84,455.79 × 84,455.79
4. Step 4: Simplify right side
   53,957.39x = 7,132,780,306.17
5. Step 5: Solve for x
   x = 7,132,780,306.17/53,957.39
6. Step 6: Final answer
   x = 132,192.83