Finding the Third Proportional to 99,162 and 144,589

Step by Step Solution

1. Step 1: Write the proportion equation
   99,162 : 144,589 = 144,589 : x
2. Step 2: Convert to fraction form
   99,162/144,589 = 144,589/x
3. Step 3: Cross multiply
   99,162x = 144,589 × 144,589
4. Step 4: Simplify right side
   99,162x = 20,905,978,921
5. Step 5: Solve for x
   x = 20,905,978,921/99,162
6. Step 6: Final answer
   x = 210,826.52