Finding the Third Proportional to 90,450 and 144,837

Step by Step Solution

1. Step 1: Write the proportion equation
   90,450 : 144,837 = 144,837 : x
2. Step 2: Convert to fraction form
   90,450/144,837 = 144,837/x
3. Step 3: Cross multiply
   90,450x = 144,837 × 144,837
4. Step 4: Simplify right side
   90,450x = 20,977,756,569
5. Step 5: Solve for x
   x = 20,977,756,569/90,450
6. Step 6: Final answer
   x = 231,926.55