Finding the Third Proportional to 33,243 and 72,045

Step by Step Solution

1. Step 1: Write the proportion equation
   33,243 : 72,045 = 72,045 : x
2. Step 2: Convert to fraction form
   33,243/72,045 = 72,045/x
3. Step 3: Cross multiply
   33,243x = 72,045 × 72,045
4. Step 4: Simplify right side
   33,243x = 5,190,482,025
5. Step 5: Solve for x
   x = 5,190,482,025/33,243
6. Step 6: Final answer
   x = 156,137.59