Finding the Third Proportional to 33,380 and 72,916

Step by Step Solution

1. Step 1: Write the proportion equation
   33,380 : 72,916 = 72,916 : x
2. Step 2: Convert to fraction form
   33,380/72,916 = 72,916/x
3. Step 3: Cross multiply
   33,380x = 72,916 × 72,916
4. Step 4: Simplify right side
   33,380x = 5,316,743,056
5. Step 5: Solve for x
   x = 5,316,743,056/33,380
6. Step 6: Final answer
   x = 159,279.30