Finding the Third Proportional to 55,611.56 and 86,182.31

Step by Step Solution

1. Step 1: Write the proportion equation
   55,611.56 : 86,182.31 = 86,182.31 : x
2. Step 2: Convert to fraction form
   55,611.56/86,182.31 = 86,182.31/x
3. Step 3: Cross multiply
   55,611.56x = 86,182.31 × 86,182.31
4. Step 4: Simplify right side
   55,611.56x = 7,427,390,987.85
5. Step 5: Solve for x
   x = 7,427,390,987.85/55,611.56
6. Step 6: Final answer
   x = 133,558.39