Finding the Third Proportional to 89,234.50 and 200,940

Step by Step Solution

1. Step 1: Write the proportion equation
   89,234.50 : 200,940 = 200,940 : x
2. Step 2: Convert to fraction form
   89,234.50/200,940 = 200,940/x
3. Step 3: Cross multiply
   89,234.50x = 200,940 × 200,940
4. Step 4: Simplify right side
   89,234.50x = 40,376,883,600
5. Step 5: Solve for x
   x = 40,376,883,600/89,234.50
6. Step 6: Final answer
   x = 452,480.64