Finding the Third Proportional to 33,285 and 72,403

Step by Step Solution

1. Step 1: Write the proportion equation
   33,285 : 72,403 = 72,403 : x
2. Step 2: Convert to fraction form
   33,285/72,403 = 72,403/x
3. Step 3: Cross multiply
   33,285x = 72,403 × 72,403
4. Step 4: Simplify right side
   33,285x = 5,242,194,409
5. Step 5: Solve for x
   x = 5,242,194,409/33,285
6. Step 6: Final answer
   x = 157,494.20