Finding the Third Proportional to 53,130.94 and 80,964.84

Step by Step Solution

1. Step 1: Write the proportion equation
   53,130.94 : 80,964.84 = 80,964.84 : x
2. Step 2: Convert to fraction form
   53,130.94/80,964.84 = 80,964.84/x
3. Step 3: Cross multiply
   53,130.94x = 80,964.84 × 80,964.84
4. Step 4: Simplify right side
   53,130.94x = 6,555,305,923.46
5. Step 5: Solve for x
   x = 6,555,305,923.46/53,130.94
6. Step 6: Final answer
   x = 123,380.20