Finding the Third Proportional to 89,564.50 and 195,503

Step by Step Solution

1. Step 1: Write the proportion equation
   89,564.50 : 195,503 = 195,503 : x
2. Step 2: Convert to fraction form
   89,564.50/195,503 = 195,503/x
3. Step 3: Cross multiply
   89,564.50x = 195,503 × 195,503
4. Step 4: Simplify right side
   89,564.50x = 38,221,423,009
5. Step 5: Solve for x
   x = 38,221,423,009/89,564.50
6. Step 6: Final answer
   x = 426,747.46