Finding the Third Proportional to 109,371.50 and 171,347

Step by Step Solution

1. Step 1: Write the proportion equation
   109,371.50 : 171,347 = 171,347 : x
2. Step 2: Convert to fraction form
   109,371.50/171,347 = 171,347/x
3. Step 3: Cross multiply
   109,371.50x = 171,347 × 171,347
4. Step 4: Simplify right side
   109,371.50x = 29,359,794,409
5. Step 5: Solve for x
   x = 29,359,794,409/109,371.50
6. Step 6: Final answer
   x = 268,441.00