Finding the Third Proportional to 33,328 and 72,488

Step by Step Solution

1. Step 1: Write the proportion equation
   33,328 : 72,488 = 72,488 : x
2. Step 2: Convert to fraction form
   33,328/72,488 = 72,488/x
3. Step 3: Cross multiply
   33,328x = 72,488 × 72,488
4. Step 4: Simplify right side
   33,328x = 5,254,510,144
5. Step 5: Solve for x
   x = 5,254,510,144/33,328
6. Step 6: Final answer
   x = 157,660.53