Finding the Third Proportional to 89,925 and 196,981

Step by Step Solution

1. Step 1: Write the proportion equation
   89,925 : 196,981 = 196,981 : x
2. Step 2: Convert to fraction form
   89,925/196,981 = 196,981/x
3. Step 3: Cross multiply
   89,925x = 196,981 × 196,981
4. Step 4: Simplify right side
   89,925x = 38,801,514,361
5. Step 5: Solve for x
   x = 38,801,514,361/89,925
6. Step 6: Final answer
   x = 431,487.51