Finding the Third Proportional to 33,783 and 72,912

Step by Step Solution

1. Step 1: Write the proportion equation
   33,783 : 72,912 = 72,912 : x
2. Step 2: Convert to fraction form
   33,783/72,912 = 72,912/x
3. Step 3: Cross multiply
   33,783x = 72,912 × 72,912
4. Step 4: Simplify right side
   33,783x = 5,316,159,744
5. Step 5: Solve for x
   x = 5,316,159,744/33,783
6. Step 6: Final answer
   x = 157,361.98