Finding the Third Proportional to 71,449 and 105,107

Step by Step Solution

1. Step 1: Write the proportion equation
   71,449 : 105,107 = 105,107 : x
2. Step 2: Convert to fraction form
   71,449/105,107 = 105,107/x
3. Step 3: Cross multiply
   71,449x = 105,107 × 105,107
4. Step 4: Simplify right side
   71,449x = 11,047,481,449
5. Step 5: Solve for x
   x = 11,047,481,449/71,449
6. Step 6: Final answer
   x = 154,620.52