Finding the Third Proportional to 36,200.81 and 53,769.38

Step by Step Solution

1. Step 1: Write the proportion equation
   36,200.81 : 53,769.38 = 53,769.38 : x
2. Step 2: Convert to fraction form
   36,200.81/53,769.38 = 53,769.38/x
3. Step 3: Cross multiply
   36,200.81x = 53,769.38 × 53,769.38
4. Step 4: Simplify right side
   36,200.81x = 2,891,145,687.89
5. Step 5: Solve for x
   x = 2,891,145,687.89/36,200.81
6. Step 6: Final answer
   x = 79,864.11