Finding the Third Proportional to 89,448 and 131,580

Step by Step Solution

1. Step 1: Write the proportion equation
   89,448 : 131,580 = 131,580 : x
2. Step 2: Convert to fraction form
   89,448/131,580 = 131,580/x
3. Step 3: Cross multiply
   89,448x = 131,580 × 131,580
4. Step 4: Simplify right side
   89,448x = 17,313,296,400
5. Step 5: Solve for x
   x = 17,313,296,400/89,448
6. Step 6: Final answer
   x = 193,557.11