Finding the Third Proportional to 55,671.75 and 86,100.75

Step by Step Solution

1. Step 1: Write the proportion equation
   55,671.75 : 86,100.75 = 86,100.75 : x
2. Step 2: Convert to fraction form
   55,671.75/86,100.75 = 86,100.75/x
3. Step 3: Cross multiply
   55,671.75x = 86,100.75 × 86,100.75
4. Step 4: Simplify right side
   55,671.75x = 7,413,339,150.56
5. Step 5: Solve for x
   x = 7,413,339,150.56/55,671.75
6. Step 6: Final answer
   x = 133,161.60