Finding the Third Proportional to 20,353.50 and 42,894

Step by Step Solution

1. Step 1: Write the proportion equation
   20,353.50 : 42,894 = 42,894 : x
2. Step 2: Convert to fraction form
   20,353.50/42,894 = 42,894/x
3. Step 3: Cross multiply
   20,353.50x = 42,894 × 42,894
4. Step 4: Simplify right side
   20,353.50x = 1,839,895,236
5. Step 5: Solve for x
   x = 1,839,895,236/20,353.50
6. Step 6: Final answer
   x = 90,396.99