Finding the Third Proportional to 71,704.50 and 105,019.50

Step by Step Solution

1. Step 1: Write the proportion equation
   71,704.50 : 105,019.50 = 105,019.50 : x
2. Step 2: Convert to fraction form
   71,704.50/105,019.50 = 105,019.50/x
3. Step 3: Cross multiply
   71,704.50x = 105,019.50 × 105,019.50
4. Step 4: Simplify right side
   71,704.50x = 11,029,095,380.25
5. Step 5: Solve for x
   x = 11,029,095,380.25/71,704.50
6. Step 6: Final answer
   x = 153,813.16