Finding the Third Proportional to 42,450 and 91,422

Step by Step Solution

1. Step 1: Write the proportion equation
   42,450 : 91,422 = 91,422 : x
2. Step 2: Convert to fraction form
   42,450/91,422 = 91,422/x
3. Step 3: Cross multiply
   42,450x = 91,422 × 91,422
4. Step 4: Simplify right side
   42,450x = 8,357,982,084
5. Step 5: Solve for x
   x = 8,357,982,084/42,450
6. Step 6: Final answer
   x = 196,890.04