Finding the Third Proportional to 32,640 and 49,040

Step by Step Solution

1. Step 1: Write the proportion equation
   32,640 : 49,040 = 49,040 : x
2. Step 2: Convert to fraction form
   32,640/49,040 = 49,040/x
3. Step 3: Cross multiply
   32,640x = 49,040 × 49,040
4. Step 4: Simplify right side
   32,640x = 2,404,921,600
5. Step 5: Solve for x
   x = 2,404,921,600/32,640
6. Step 6: Final answer
   x = 73,680.20