Finding the Third Proportional to 39,280 and 60,676

Step by Step Solution

1. Step 1: Write the proportion equation
   39,280 : 60,676 = 60,676 : x
2. Step 2: Convert to fraction form
   39,280/60,676 = 60,676/x
3. Step 3: Cross multiply
   39,280x = 60,676 × 60,676
4. Step 4: Simplify right side
   39,280x = 3,681,576,976
5. Step 5: Solve for x
   x = 3,681,576,976/39,280
6. Step 6: Final answer
   x = 93,726.50