Finding the Third Proportional to 90,924 and 192,936

Step by Step Solution

1. Step 1: Write the proportion equation
   90,924 : 192,936 = 192,936 : x
2. Step 2: Convert to fraction form
   90,924/192,936 = 192,936/x
3. Step 3: Cross multiply
   90,924x = 192,936 × 192,936
4. Step 4: Simplify right side
   90,924x = 37,224,300,096
5. Step 5: Solve for x
   x = 37,224,300,096/90,924
6. Step 6: Final answer
   x = 409,400.16