Finding the Third Proportional to 89,866 and 195,590

Step by Step Solution

1. Step 1: Write the proportion equation
   89,866 : 195,590 = 195,590 : x
2. Step 2: Convert to fraction form
   89,866/195,590 = 195,590/x
3. Step 3: Cross multiply
   89,866x = 195,590 × 195,590
4. Step 4: Simplify right side
   89,866x = 38,255,448,100
5. Step 5: Solve for x
   x = 38,255,448,100/89,866
6. Step 6: Final answer
   x = 425,694.35