Finding the Third Proportional to 39,788 and 86,960

Step by Step Solution

1. Step 1: Write the proportion equation
   39,788 : 86,960 = 86,960 : x
2. Step 2: Convert to fraction form
   39,788/86,960 = 86,960/x
3. Step 3: Cross multiply
   39,788x = 86,960 × 86,960
4. Step 4: Simplify right side
   39,788x = 7,562,041,600
5. Step 5: Solve for x
   x = 7,562,041,600/39,788
6. Step 6: Final answer
   x = 190,058.35