Finding the Third Proportional to 88,136 and 192,960

Step by Step Solution

1. Step 1: Write the proportion equation
   88,136 : 192,960 = 192,960 : x
2. Step 2: Convert to fraction form
   88,136/192,960 = 192,960/x
3. Step 3: Cross multiply
   88,136x = 192,960 × 192,960
4. Step 4: Simplify right side
   88,136x = 37,233,561,600
5. Step 5: Solve for x
   x = 37,233,561,600/88,136
6. Step 6: Final answer
   x = 422,455.77