Finding the Third Proportional to 91,469 and 142,554

Step by Step Solution

1. Step 1: Write the proportion equation
   91,469 : 142,554 = 142,554 : x
2. Step 2: Convert to fraction form
   91,469/142,554 = 142,554/x
3. Step 3: Cross multiply
   91,469x = 142,554 × 142,554
4. Step 4: Simplify right side
   91,469x = 20,321,642,916
5. Step 5: Solve for x
   x = 20,321,642,916/91,469
6. Step 6: Final answer
   x = 222,169.73