Finding the Third Proportional to 90,073 and 195,530

Step by Step Solution

1. Step 1: Write the proportion equation
   90,073 : 195,530 = 195,530 : x
2. Step 2: Convert to fraction form
   90,073/195,530 = 195,530/x
3. Step 3: Cross multiply
   90,073x = 195,530 × 195,530
4. Step 4: Simplify right side
   90,073x = 38,231,980,900
5. Step 5: Solve for x
   x = 38,231,980,900/90,073
6. Step 6: Final answer
   x = 424,455.51