Finding the Third Proportional to 90,958 and 196,862

Step by Step Solution

1. Step 1: Write the proportion equation
   90,958 : 196,862 = 196,862 : x
2. Step 2: Convert to fraction form
   90,958/196,862 = 196,862/x
3. Step 3: Cross multiply
   90,958x = 196,862 × 196,862
4. Step 4: Simplify right side
   90,958x = 38,754,647,044
5. Step 5: Solve for x
   x = 38,754,647,044/90,958
6. Step 6: Final answer
   x = 426,071.89