Finding the Third Proportional to 35,170.88 and 71,644.50

Step by Step Solution

1. Step 1: Write the proportion equation
   35,170.88 : 71,644.50 = 71,644.50 : x
2. Step 2: Convert to fraction form
   35,170.88/71,644.50 = 71,644.50/x
3. Step 3: Cross multiply
   35,170.88x = 71,644.50 × 71,644.50
4. Step 4: Simplify right side
   35,170.88x = 5,132,934,380.25
5. Step 5: Solve for x
   x = 5,132,934,380.25/35,170.88
6. Step 6: Final answer
   x = 145,942.75