Finding the Third Proportional to 33,472 and 72,992

Step by Step Solution

1. Step 1: Write the proportion equation
   33,472 : 72,992 = 72,992 : x
2. Step 2: Convert to fraction form
   33,472/72,992 = 72,992/x
3. Step 3: Cross multiply
   33,472x = 72,992 × 72,992
4. Step 4: Simplify right side
   33,472x = 5,327,832,064
5. Step 5: Solve for x
   x = 5,327,832,064/33,472
6. Step 6: Final answer
   x = 159,172.80