Finding the Third Proportional to 27,640 and 60,672

Step by Step Solution

1. Step 1: Write the proportion equation
   27,640 : 60,672 = 60,672 : x
2. Step 2: Convert to fraction form
   27,640/60,672 = 60,672/x
3. Step 3: Cross multiply
   27,640x = 60,672 × 60,672
4. Step 4: Simplify right side
   27,640x = 3,681,091,584
5. Step 5: Solve for x
   x = 3,681,091,584/27,640
6. Step 6: Final answer
   x = 133,179.87