Finding the Third Proportional to 27,920 and 60,772

Step by Step Solution

1. Step 1: Write the proportion equation
   27,920 : 60,772 = 60,772 : x
2. Step 2: Convert to fraction form
   27,920/60,772 = 60,772/x
3. Step 3: Cross multiply
   27,920x = 60,772 × 60,772
4. Step 4: Simplify right side
   27,920x = 3,693,235,984
5. Step 5: Solve for x
   x = 3,693,235,984/27,920
6. Step 6: Final answer
   x = 132,279.23