Finding the Third Proportional to 55,228.50 and 86,001.75

Step by Step Solution

1. Step 1: Write the proportion equation
   55,228.50 : 86,001.75 = 86,001.75 : x
2. Step 2: Convert to fraction form
   55,228.50/86,001.75 = 86,001.75/x
3. Step 3: Cross multiply
   55,228.50x = 86,001.75 × 86,001.75
4. Step 4: Simplify right side
   55,228.50x = 7,396,301,003.06
5. Step 5: Solve for x
   x = 7,396,301,003.06/55,228.50
6. Step 6: Final answer
   x = 133,921.82