Finding the Third Proportional to 20,482 and 42,332

Step by Step Solution

1. Step 1: Write the proportion equation
   20,482 : 42,332 = 42,332 : x
2. Step 2: Convert to fraction form
   20,482/42,332 = 42,332/x
3. Step 3: Cross multiply
   20,482x = 42,332 × 42,332
4. Step 4: Simplify right side
   20,482x = 1,791,998,224
5. Step 5: Solve for x
   x = 1,791,998,224/20,482
6. Step 6: Final answer
   x = 87,491.37