Finding the Third Proportional to 42,140 and 90,922

Step by Step Solution

1. Step 1: Write the proportion equation
   42,140 : 90,922 = 90,922 : x
2. Step 2: Convert to fraction form
   42,140/90,922 = 90,922/x
3. Step 3: Cross multiply
   42,140x = 90,922 × 90,922
4. Step 4: Simplify right side
   42,140x = 8,266,810,084
5. Step 5: Solve for x
   x = 8,266,810,084/42,140
6. Step 6: Final answer
   x = 196,174.90