Finding the Third Proportional to 89,983 and 196,917

Step by Step Solution

1. Step 1: Write the proportion equation
   89,983 : 196,917 = 196,917 : x
2. Step 2: Convert to fraction form
   89,983/196,917 = 196,917/x
3. Step 3: Cross multiply
   89,983x = 196,917 × 196,917
4. Step 4: Simplify right side
   89,983x = 38,776,304,889
5. Step 5: Solve for x
   x = 38,776,304,889/89,983
6. Step 6: Final answer
   x = 430,929.23