Finding the Third Proportional to 91,019.50 and 142,469

Step by Step Solution

1. Step 1: Write the proportion equation
   91,019.50 : 142,469 = 142,469 : x
2. Step 2: Convert to fraction form
   91,019.50/142,469 = 142,469/x
3. Step 3: Cross multiply
   91,019.50x = 142,469 × 142,469
4. Step 4: Simplify right side
   91,019.50x = 20,297,415,961
5. Step 5: Solve for x
   x = 20,297,415,961/91,019.50
6. Step 6: Final answer
   x = 223,000.74