Finding the Third Proportional to 35,173.50 and 71,649.50

Step by Step Solution

1. Step 1: Write the proportion equation
   35,173.50 : 71,649.50 = 71,649.50 : x
2. Step 2: Convert to fraction form
   35,173.50/71,649.50 = 71,649.50/x
3. Step 3: Cross multiply
   35,173.50x = 71,649.50 × 71,649.50
4. Step 4: Simplify right side
   35,173.50x = 5,133,650,850.25
5. Step 5: Solve for x
   x = 5,133,650,850.25/35,173.50
6. Step 6: Final answer
   x = 145,952.23