Finding the Third Proportional to 55,161.28 and 82,667.81

Step by Step Solution

1. Step 1: Write the proportion equation
   55,161.28 : 82,667.81 = 82,667.81 : x
2. Step 2: Convert to fraction form
   55,161.28/82,667.81 = 82,667.81/x
3. Step 3: Cross multiply
   55,161.28x = 82,667.81 × 82,667.81
4. Step 4: Simplify right side
   55,161.28x = 6,833,967,223.54
5. Step 5: Solve for x
   x = 6,833,967,223.54/55,161.28
6. Step 6: Final answer
   x = 123,890.65