Finding the Third Proportional to 40,381 and 60,178

Step by Step Solution

1. Step 1: Write the proportion equation
   40,381 : 60,178 = 60,178 : x
2. Step 2: Convert to fraction form
   40,381/60,178 = 60,178/x
3. Step 3: Cross multiply
   40,381x = 60,178 × 60,178
4. Step 4: Simplify right side
   40,381x = 3,621,391,684
5. Step 5: Solve for x
   x = 3,621,391,684/40,381
6. Step 6: Final answer
   x = 89,680.58