Finding the Third Proportional to 55,610 and 86,180

Step by Step Solution

1. Step 1: Write the proportion equation
   55,610 : 86,180 = 86,180 : x
2. Step 2: Convert to fraction form
   55,610/86,180 = 86,180/x
3. Step 3: Cross multiply
   55,610x = 86,180 × 86,180
4. Step 4: Simplify right side
   55,610x = 7,426,992,400
5. Step 5: Solve for x
   x = 7,426,992,400/55,610
6. Step 6: Final answer
   x = 133,554.98