Finding the Third Proportional to 89,518.50 and 194,859

Step by Step Solution

1. Step 1: Write the proportion equation
   89,518.50 : 194,859 = 194,859 : x
2. Step 2: Convert to fraction form
   89,518.50/194,859 = 194,859/x
3. Step 3: Cross multiply
   89,518.50x = 194,859 × 194,859
4. Step 4: Simplify right side
   89,518.50x = 37,970,029,881
5. Step 5: Solve for x
   x = 37,970,029,881/89,518.50
6. Step 6: Final answer
   x = 424,158.47