Finding the Third Proportional to 39,034 and 83,990

Step by Step Solution

1. Step 1: Write the proportion equation
   39,034 : 83,990 = 83,990 : x
2. Step 2: Convert to fraction form
   39,034/83,990 = 83,990/x
3. Step 3: Cross multiply
   39,034x = 83,990 × 83,990
4. Step 4: Simplify right side
   39,034x = 7,054,320,100
5. Step 5: Solve for x
   x = 7,054,320,100/39,034
6. Step 6: Final answer
   x = 180,722.45