Finding the Third Proportional to 42,856 and 92,290

Step by Step Solution

1. Step 1: Write the proportion equation
   42,856 : 92,290 = 92,290 : x
2. Step 2: Convert to fraction form
   42,856/92,290 = 92,290/x
3. Step 3: Cross multiply
   42,856x = 92,290 × 92,290
4. Step 4: Simplify right side
   42,856x = 8,517,444,100
5. Step 5: Solve for x
   x = 8,517,444,100/42,856
6. Step 6: Final answer
   x = 198,745.66