Finding the Third Proportional to 90,793.50 and 199,503

Step by Step Solution

1. Step 1: Write the proportion equation
   90,793.50 : 199,503 = 199,503 : x
2. Step 2: Convert to fraction form
   90,793.50/199,503 = 199,503/x
3. Step 3: Cross multiply
   90,793.50x = 199,503 × 199,503
4. Step 4: Simplify right side
   90,793.50x = 39,801,447,009
5. Step 5: Solve for x
   x = 39,801,447,009/90,793.50
6. Step 6: Final answer
   x = 438,373.31