Finding the Third Proportional to 32,340 and 72,240

Step by Step Solution

1. Step 1: Write the proportion equation
   32,340 : 72,240 = 72,240 : x
2. Step 2: Convert to fraction form
   32,340/72,240 = 72,240/x
3. Step 3: Cross multiply
   32,340x = 72,240 × 72,240
4. Step 4: Simplify right side
   32,340x = 5,218,617,600
5. Step 5: Solve for x
   x = 5,218,617,600/32,340
6. Step 6: Final answer
   x = 161,367.27