Finding the Third Proportional to 39,128 and 60,616

Step by Step Solution

1. Step 1: Write the proportion equation
   39,128 : 60,616 = 60,616 : x
2. Step 2: Convert to fraction form
   39,128/60,616 = 60,616/x
3. Step 3: Cross multiply
   39,128x = 60,616 × 60,616
4. Step 4: Simplify right side
   39,128x = 3,674,299,456
5. Step 5: Solve for x
   x = 3,674,299,456/39,128
6. Step 6: Final answer
   x = 93,904.61