Finding the Third Proportional to 74,282 and 111,422

Step by Step Solution

1. Step 1: Write the proportion equation
   74,282 : 111,422 = 111,422 : x
2. Step 2: Convert to fraction form
   74,282/111,422 = 111,422/x
3. Step 3: Cross multiply
   74,282x = 111,422 × 111,422
4. Step 4: Simplify right side
   74,282x = 12,414,862,084
5. Step 5: Solve for x
   x = 12,414,862,084/74,282
6. Step 6: Final answer
   x = 167,131.50