Finding the Third Proportional to 91,174.50 and 142,299

Step by Step Solution

1. Step 1: Write the proportion equation
   91,174.50 : 142,299 = 142,299 : x
2. Step 2: Convert to fraction form
   91,174.50/142,299 = 142,299/x
3. Step 3: Cross multiply
   91,174.50x = 142,299 × 142,299
4. Step 4: Simplify right side
   91,174.50x = 20,249,005,401
5. Step 5: Solve for x
   x = 20,249,005,401/91,174.50
6. Step 6: Final answer
   x = 222,090.67