Finding the Third Proportional to 55,950.75 and 86,637.09

Step by Step Solution

1. Step 1: Write the proportion equation
   55,950.75 : 86,637.09 = 86,637.09 : x
2. Step 2: Convert to fraction form
   55,950.75/86,637.09 = 86,637.09/x
3. Step 3: Cross multiply
   55,950.75x = 86,637.09 × 86,637.09
4. Step 4: Simplify right side
   55,950.75x = 7,505,986,013.45
5. Step 5: Solve for x
   x = 7,505,986,013.45/55,950.75
6. Step 6: Final answer
   x = 134,153.45