Finding the Third Proportional to 39,683 and 60,780

Step by Step Solution

1. Step 1: Write the proportion equation
   39,683 : 60,780 = 60,780 : x
2. Step 2: Convert to fraction form
   39,683/60,780 = 60,780/x
3. Step 3: Cross multiply
   39,683x = 60,780 × 60,780
4. Step 4: Simplify right side
   39,683x = 3,694,208,400
5. Step 5: Solve for x
   x = 3,694,208,400/39,683
6. Step 6: Final answer
   x = 93,092.97