Finding the Third Proportional to 90,258 and 192,594

Step by Step Solution

1. Step 1: Write the proportion equation
   90,258 : 192,594 = 192,594 : x
2. Step 2: Convert to fraction form
   90,258/192,594 = 192,594/x
3. Step 3: Cross multiply
   90,258x = 192,594 × 192,594
4. Step 4: Simplify right side
   90,258x = 37,092,448,836
5. Step 5: Solve for x
   x = 37,092,448,836/90,258
6. Step 6: Final answer
   x = 410,960.23