Finding the Third Proportional to 55,627.88 and 86,081.63

Step by Step Solution

1. Step 1: Write the proportion equation
   55,627.88 : 86,081.63 = 86,081.63 : x
2. Step 2: Convert to fraction form
   55,627.88/86,081.63 = 86,081.63/x
3. Step 3: Cross multiply
   55,627.88x = 86,081.63 × 86,081.63
4. Step 4: Simplify right side
   55,627.88x = 7,410,046,162.64
5. Step 5: Solve for x
   x = 7,410,046,162.64/55,627.88
6. Step 6: Final answer
   x = 133,207.43