Finding the Third Proportional to 42,922 and 92,990

Step by Step Solution

1. Step 1: Write the proportion equation
   42,922 : 92,990 = 92,990 : x
2. Step 2: Convert to fraction form
   42,922/92,990 = 92,990/x
3. Step 3: Cross multiply
   42,922x = 92,990 × 92,990
4. Step 4: Simplify right side
   42,922x = 8,647,140,100
5. Step 5: Solve for x
   x = 8,647,140,100/42,922
6. Step 6: Final answer
   x = 201,461.72