Finding the Third Proportional to 40,008 and 86,068

Step by Step Solution

1. Step 1: Write the proportion equation
   40,008 : 86,068 = 86,068 : x
2. Step 2: Convert to fraction form
   40,008/86,068 = 86,068/x
3. Step 3: Cross multiply
   40,008x = 86,068 × 86,068
4. Step 4: Simplify right side
   40,008x = 7,407,700,624
5. Step 5: Solve for x
   x = 7,407,700,624/40,008
6. Step 6: Final answer
   x = 185,155.48