Finding the Third Proportional to 42,286 and 90,202

Step by Step Solution

1. Step 1: Write the proportion equation
   42,286 : 90,202 = 90,202 : x
2. Step 2: Convert to fraction form
   42,286/90,202 = 90,202/x
3. Step 3: Cross multiply
   42,286x = 90,202 × 90,202
4. Step 4: Simplify right side
   42,286x = 8,136,400,804
5. Step 5: Solve for x
   x = 8,136,400,804/42,286
6. Step 6: Final answer
   x = 192,413.58