Finding the Third Proportional to 55,530 and 86,008.50

Step by Step Solution

1. Step 1: Write the proportion equation
   55,530 : 86,008.50 = 86,008.50 : x
2. Step 2: Convert to fraction form
   55,530/86,008.50 = 86,008.50/x
3. Step 3: Cross multiply
   55,530x = 86,008.50 × 86,008.50
4. Step 4: Simplify right side
   55,530x = 7,397,462,072.25
5. Step 5: Solve for x
   x = 7,397,462,072.25/55,530
6. Step 6: Final answer
   x = 133,215.60