Finding the Third Proportional to 33,979 and 72,085

Step by Step Solution

1. Step 1: Write the proportion equation
   33,979 : 72,085 = 72,085 : x
2. Step 2: Convert to fraction form
   33,979/72,085 = 72,085/x
3. Step 3: Cross multiply
   33,979x = 72,085 × 72,085
4. Step 4: Simplify right side
   33,979x = 5,196,247,225
5. Step 5: Solve for x
   x = 5,196,247,225/33,979
6. Step 6: Final answer
   x = 152,925.25