Finding the Third Proportional to 89,710 and 195,180

Step by Step Solution

1. Step 1: Write the proportion equation
   89,710 : 195,180 = 195,180 : x
2. Step 2: Convert to fraction form
   89,710/195,180 = 195,180/x
3. Step 3: Cross multiply
   89,710x = 195,180 × 195,180
4. Step 4: Simplify right side
   89,710x = 38,095,232,400
5. Step 5: Solve for x
   x = 38,095,232,400/89,710
6. Step 6: Final answer
   x = 424,648.67