Finding the Third Proportional to 109,171.50 and 231,465

Step by Step Solution

1. Step 1: Write the proportion equation
   109,171.50 : 231,465 = 231,465 : x
2. Step 2: Convert to fraction form
   109,171.50/231,465 = 231,465/x
3. Step 3: Cross multiply
   109,171.50x = 231,465 × 231,465
4. Step 4: Simplify right side
   109,171.50x = 53,576,046,225
5. Step 5: Solve for x
   x = 53,576,046,225/109,171.50
6. Step 6: Final answer
   x = 490,751.21