Finding the Third Proportional to 90,018 and 196,983

Step by Step Solution

1. Step 1: Write the proportion equation
   90,018 : 196,983 = 196,983 : x
2. Step 2: Convert to fraction form
   90,018/196,983 = 196,983/x
3. Step 3: Cross multiply
   90,018x = 196,983 × 196,983
4. Step 4: Simplify right side
   90,018x = 38,802,302,289
5. Step 5: Solve for x
   x = 38,802,302,289/90,018
6. Step 6: Final answer
   x = 431,050.48