Finding the Third Proportional to 41,205 and 90,429

Step by Step Solution

1. Step 1: Write the proportion equation
   41,205 : 90,429 = 90,429 : x
2. Step 2: Convert to fraction form
   41,205/90,429 = 90,429/x
3. Step 3: Cross multiply
   41,205x = 90,429 × 90,429
4. Step 4: Simplify right side
   41,205x = 8,177,404,041
5. Step 5: Solve for x
   x = 8,177,404,041/41,205
6. Step 6: Final answer
   x = 198,456.60