Finding the Third Proportional to 90,532 and 198,892

Step by Step Solution

1. Step 1: Write the proportion equation
   90,532 : 198,892 = 198,892 : x
2. Step 2: Convert to fraction form
   90,532/198,892 = 198,892/x
3. Step 3: Cross multiply
   90,532x = 198,892 × 198,892
4. Step 4: Simplify right side
   90,532x = 39,558,027,664
5. Step 5: Solve for x
   x = 39,558,027,664/90,532
6. Step 6: Final answer
   x = 436,950.78