Finding the Third Proportional to 90,672 and 195,264

Step by Step Solution

1. Step 1: Write the proportion equation
   90,672 : 195,264 = 195,264 : x
2. Step 2: Convert to fraction form
   90,672/195,264 = 195,264/x
3. Step 3: Cross multiply
   90,672x = 195,264 × 195,264
4. Step 4: Simplify right side
   90,672x = 38,128,029,696
5. Step 5: Solve for x
   x = 38,128,029,696/90,672
6. Step 6: Final answer
   x = 420,505.00