Finding the Third Proportional to 71,449.50 and 105,108

Step by Step Solution

1. Step 1: Write the proportion equation
   71,449.50 : 105,108 = 105,108 : x
2. Step 2: Convert to fraction form
   71,449.50/105,108 = 105,108/x
3. Step 3: Cross multiply
   71,449.50x = 105,108 × 105,108
4. Step 4: Simplify right side
   71,449.50x = 11,047,691,664
5. Step 5: Solve for x
   x = 11,047,691,664/71,449.50
6. Step 6: Final answer
   x = 154,622.38