Finding the Third Proportional to 203,926 and 299,870

Step by Step Solution

1. Step 1: Write the proportion equation
   203,926 : 299,870 = 299,870 : x
2. Step 2: Convert to fraction form
   203,926/299,870 = 299,870/x
3. Step 3: Cross multiply
   203,926x = 299,870 × 299,870
4. Step 4: Simplify right side
   203,926x = 89,922,016,900
5. Step 5: Solve for x
   x = 89,922,016,900/203,926
6. Step 6: Final answer
   x = 440,954.15