Finding the Third Proportional to 71,700 and 105,015

Step by Step Solution

1. Step 1: Write the proportion equation
   71,700 : 105,015 = 105,015 : x
2. Step 2: Convert to fraction form
   71,700/105,015 = 105,015/x
3. Step 3: Cross multiply
   71,700x = 105,015 × 105,015
4. Step 4: Simplify right side
   71,700x = 11,028,150,225
5. Step 5: Solve for x
   x = 11,028,150,225/71,700
6. Step 6: Final answer
   x = 153,809.63