Finding the Third Proportional to 41,800.50 and 90,000

Step by Step Solution

1. Step 1: Write the proportion equation
   41,800.50 : 90,000 = 90,000 : x
2. Step 2: Convert to fraction form
   41,800.50/90,000 = 90,000/x
3. Step 3: Cross multiply
   41,800.50x = 90,000 × 90,000
4. Step 4: Simplify right side
   41,800.50x = 8,100,000,000
5. Step 5: Solve for x
   x = 8,100,000,000/41,800.50
6. Step 6: Final answer
   x = 193,777.59