Finding the Third Proportional to 91,328 and 144,912

Step by Step Solution

1. Step 1: Write the proportion equation
   91,328 : 144,912 = 144,912 : x
2. Step 2: Convert to fraction form
   91,328/144,912 = 144,912/x
3. Step 3: Cross multiply
   91,328x = 144,912 × 144,912
4. Step 4: Simplify right side
   91,328x = 20,999,487,744
5. Step 5: Solve for x
   x = 20,999,487,744/91,328
6. Step 6: Final answer
   x = 229,934.83