Finding the Third Proportional to 33,328 and 72,460

Step by Step Solution

1. Step 1: Write the proportion equation
   33,328 : 72,460 = 72,460 : x
2. Step 2: Convert to fraction form
   33,328/72,460 = 72,460/x
3. Step 3: Cross multiply
   33,328x = 72,460 × 72,460
4. Step 4: Simplify right side
   33,328x = 5,250,451,600
5. Step 5: Solve for x
   x = 5,250,451,600/33,328
6. Step 6: Final answer
   x = 157,538.75