Finding the Third Proportional to 91,723.50 and 141,768

Step by Step Solution

1. Step 1: Write the proportion equation
   91,723.50 : 141,768 = 141,768 : x
2. Step 2: Convert to fraction form
   91,723.50/141,768 = 141,768/x
3. Step 3: Cross multiply
   91,723.50x = 141,768 × 141,768
4. Step 4: Simplify right side
   91,723.50x = 20,098,165,824
5. Step 5: Solve for x
   x = 20,098,165,824/91,723.50
6. Step 6: Final answer
   x = 219,116.87