Finding the Third Proportional to 40,432 and 82,880

Step by Step Solution

1. Step 1: Write the proportion equation
   40,432 : 82,880 = 82,880 : x
2. Step 2: Convert to fraction form
   40,432/82,880 = 82,880/x
3. Step 3: Cross multiply
   40,432x = 82,880 × 82,880
4. Step 4: Simplify right side
   40,432x = 6,869,094,400
5. Step 5: Solve for x
   x = 6,869,094,400/40,432
6. Step 6: Final answer
   x = 169,892.52