Finding the Third Proportional to 89,429.50 and 196,508

Step by Step Solution

1. Step 1: Write the proportion equation
   89,429.50 : 196,508 = 196,508 : x
2. Step 2: Convert to fraction form
   89,429.50/196,508 = 196,508/x
3. Step 3: Cross multiply
   89,429.50x = 196,508 × 196,508
4. Step 4: Simplify right side
   89,429.50x = 38,615,394,064
5. Step 5: Solve for x
   x = 38,615,394,064/89,429.50
6. Step 6: Final answer
   x = 431,797.05