Finding the Third Proportional to 71,718 and 105,273

Step by Step Solution

1. Step 1: Write the proportion equation
   71,718 : 105,273 = 105,273 : x
2. Step 2: Convert to fraction form
   71,718/105,273 = 105,273/x
3. Step 3: Cross multiply
   71,718x = 105,273 × 105,273
4. Step 4: Simplify right side
   71,718x = 11,082,404,529
5. Step 5: Solve for x
   x = 11,082,404,529/71,718
6. Step 6: Final answer
   x = 154,527.52